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1122234428 = 227227383461
BaseRepresentation
bin100001011100011…
…1111000000111100
32220012200102020002
41002320333000330
54244243000203
6303205213432
736544556330
oct10270770074
92805612202
101122234428
11526521377
12273a01278
1314b667153
14a90897c0
15687c8d88
hex42e3f03c

1122234428 has 48 divisors (see below), whose sum is σ = 2265145344. Its totient is φ = 476552640.

The previous prime is 1122234427. The next prime is 1122234437. The reversal of 1122234428 is 8244322211.

It is a super-2 number, since 2×11222344282 = 2518820222776974368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1122234428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122234427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434118 + ... + 2434578.

It is an arithmetic number, because the mean of its divisors is an integer number (47190528).

Almost surely, 21122234428 is an apocalyptic number.

It is an amenable number.

1122234428 is an abundant number, since it is smaller than the sum of its proper divisors (1142910916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122234428 is a wasteful number, since it uses less digits than its factorization.

1122234428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1080 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 1122234428 is about 33499.7675812833. The cubic root of 1122234428 is about 1039.1889719866.

Adding to 1122234428 its reverse (8244322211), we get a palindrome (9366556639).

The spelling of 1122234428 in words is "one billion, one hundred twenty-two million, two hundred thirty-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 227 383 454 461 766 908 922 1532 1589 1844 2681 3178 3227 5362 6356 6454 10724 12908 86941 104647 173882 176563 209294 347764 353126 418588 608587 706252 732529 1217174 1235941 1465058 2434348 2471882 2930116 4943764 40079801 80159602 160319204 280558607 561117214 1122234428