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2221422 = 237227233
BaseRepresentation
bin1000011110010101101110
311011212012220
420132111232
51032041142
6115340210
724611310
oct10362556
94155186
102221422
111287a95
128b1666
135ca168
1441b7b0
152dd2ec
hex21e56e

2221422 has 32 divisors (see below), whose sum is σ = 5121792. Its totient is φ = 629184.

The previous prime is 2221411. The next prime is 2221433. The reversal of 2221422 is 2241222.

It is an interprime number because it is at equal distance from previous prime (2221411) and next prime (2221433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9418 + ... + 9650.

It is an arithmetic number, because the mean of its divisors is an integer number (160056).

22221422 is an apocalyptic number.

2221422 is an abundant number, since it is smaller than the sum of its proper divisors (2900370).

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

2221422 is a wasteful number, since it uses less digits than its factorization.

2221422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its digits is 128, while the sum is 15.

The square root of 2221422 is about 1490.4435581397. The cubic root of 2221422 is about 130.4799223380.

Adding to 2221422 its reverse (2241222), we get a palindrome (4462644).

The spelling of 2221422 in words is "two million, two hundred twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 227 233 454 466 681 699 1362 1398 1589 1631 3178 3262 4767 4893 9534 9786 52891 105782 158673 317346 370237 740474 1110711 2221422