56223230 has 16 divisors (see below), whose sum is σ = 115659360. Its totient is φ = 19276512.

The previous prime is 56223229. The next prime is 56223241. The reversal of 56223230 is 3232265.

It is a happy number.

It is a super-2 number, since 2×56223230² = 6322103183265800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56223196 and 56223205.

It is a congruent number.

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, 401525 + ... + 401664.

It is an arithmetic number, because the mean of its divisors is an integer number (7228710).

Almost surely, 2^56223230 is an apocalyptic number.

56223230 is an abundant number, since it is smaller than the sum of its proper divisors (59436130).

56223230 is a wasteful number, since it uses less digits than its factorization.

56223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803203.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 56223230 is about 7498.2151209471. The cubic root of 56223230 is about 383.0939240230.

Adding to 56223230 its reverse (3232265), we get a palindrome (59455495).

The spelling of 56223230 in words is "fifty-six million, two hundred twenty-three thousand, two hundred thirty".