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22430133 = 3211243479
BaseRepresentation
bin101010110010…
…0000110110101
31120012120100200
41111210012311
521220231013
62120431113
7361436655
oct125440665
946176320
1022430133
1111730100
127618499
13485458b
142d9c365
151e80e73
hex15641b5

22430133 has 36 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 13250160.

The previous prime is 22430101. The next prime is 22430153. The reversal of 22430133 is 33103422.

It is not a de Polignac number, because 22430133 - 25 = 22430101 is a prime.

It is a super-2 number, since 2×224301332 = 1006221732795378, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46588 + ... + 47066.

Almost surely, 222430133 is an apocalyptic number.

It is an amenable number.

22430133 is a deficient number, since it is larger than the sum of its proper divisors (14086347).

22430133 is a wasteful number, since it uses less digits than its factorization.

22430133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22430133 is about 4736.0461357550. The cubic root of 22430133 is about 282.0182951764.

Adding to 22430133 its reverse (33103422), we get a palindrome (55533555).

Subtracting 22430133 from its reverse (33103422), we obtain a square (10673289 = 32672).

The spelling of 22430133 in words is "twenty-two million, four hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3 9 11 33 43 99 121 129 363 387 473 479 1089 1419 1437 4257 4311 5203 5269 15609 15807 20597 46827 47421 57959 61791 173877 185373 226567 521631 679701 2039103 2492237 7476711 22430133