56622239 has 8 divisors (see below), whose sum is σ = 58674000. Its totient is φ = 54577152.

The previous prime is 56622229. The next prime is 56622253. The reversal of 56622239 is 93222665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56622239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56622199 and 56622208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56622229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21032 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (7334250).

Almost surely, 2^56622239 is an apocalyptic number.

56622239 is a deficient number, since it is larger than the sum of its proper divisors (2051761).

56622239 is a wasteful number, since it uses less digits than its factorization.

56622239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337.

The product of its digits is 38880, while the sum is 35.

The square root of 56622239 is about 7524.7750132479. The cubic root of 56622239 is about 383.9980446045.

The spelling of 56622239 in words is "fifty-six million, six hundred twenty-two thousand, two hundred thirty-nine".