56217022 has 8 divisors (see below), whose sum is σ = 87233400. Its totient is φ = 27139224.

The previous prime is 56217017. The next prime is 56217041. The reversal of 56217022 is 22071265.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484572 + ... + 484687.

It is an arithmetic number, because the mean of its divisors is an integer number (10904175).

Almost surely, 2^56217022 is an apocalyptic number.

56217022 is a deficient number, since it is larger than the sum of its proper divisors (31016378).

56217022 is a wasteful number, since it uses less digits than its factorization.

56217022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969290.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56217022 is about 7497.8011443356. The cubic root of 56217022 is about 383.0798234776.

Adding to 56217022 its reverse (22071265), we get a palindrome (78288287).

The spelling of 56217022 in words is "fifty-six million, two hundred seventeen thousand, twenty-two".