56223402 has 16 divisors (see below), whose sum is σ = 116324640. Its totient is φ = 18094832.

The previous prime is 56223397. The next prime is 56223439. The reversal of 56223402 is 20432265.

It is a super-2 number, since 2×56223402² = 6322141864907208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161388 + ... + 161735.

It is an arithmetic number, because the mean of its divisors is an integer number (7270290).

Almost surely, 2^56223402 is an apocalyptic number.

56223402 is an abundant number, since it is smaller than the sum of its proper divisors (60101238).

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

56223402 is a wasteful number, since it uses less digits than its factorization.

56223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323157.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56223402 is about 7498.2265903345. The cubic root of 56223402 is about 383.0943146805.

Adding to 56223402 its reverse (20432265), we get a palindrome (76655667).

The spelling of 56223402 in words is "fifty-six million, two hundred twenty-three thousand, four hundred two".