56431222 has 32 divisors (see below), whose sum is σ = 91137024. Its totient is φ = 26157600.

The previous prime is 56431189. The next prime is 56431223. The reversal of 56431222 is 22213465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56431223) 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, 162453 + ... + 162799.

It is an arithmetic number, because the mean of its divisors is an integer number (2848032).

Almost surely, 2^56431222 is an apocalyptic number.

56431222 is a deficient number, since it is larger than the sum of its proper divisors (34705802).

56431222 is a wasteful number, since it uses less digits than its factorization.

56431222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its digits is 2880, while the sum is 25.

The square root of 56431222 is about 7512.0717515210. The cubic root of 56431222 is about 383.5657480735.

Adding to 56431222 its reverse (22213465), we get a palindrome (78644687).

The spelling of 56431222 in words is "fifty-six million, four hundred thirty-one thousand, two hundred twenty-two".