22356436 has 12 divisors (see below), whose sum is σ = 40181428. Its totient is φ = 10876032.

The previous prime is 22356379. The next prime is 22356461. The reversal of 22356436 is 63465322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 6002500 = 4044^2 + 2450^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22356398 and 22356407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75381 + ... + 75676.

Almost surely, 2^22356436 is an apocalyptic number.

It is an amenable number.

22356436 is a deficient number, since it is larger than the sum of its proper divisors (17824992).

22356436 is a wasteful number, since it uses less digits than its factorization.

22356436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151098 (or 151096 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 22356436 is about 4728.2592991502. The cubic root of 22356436 is about 281.7090875190.

The spelling of 22356436 in words is "twenty-two million, three hundred fifty-six thousand, four hundred thirty-six".