56222409 has 8 divisors (see below), whose sum is σ = 75053920. Its totient is φ = 37436256.

The previous prime is 56222407. The next prime is 56222423. The reversal of 56222409 is 90422265.

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

It is not a de Polignac number, because 56222409 - 2¹ = 56222407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56222407) 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, 8332 + ... + 13485.

It is an arithmetic number, because the mean of its divisors is an integer number (9381740).

Almost surely, 2^56222409 is an apocalyptic number.

It is an amenable number.

56222409 is a deficient number, since it is larger than the sum of its proper divisors (18831511).

56222409 is a wasteful number, since it uses less digits than its factorization.

56222409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22679.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 56222409 is about 7498.1603743852. The cubic root of 56222409 is about 383.0920593036.

The spelling of 56222409 in words is "fifty-six million, two hundred twenty-two thousand, four hundred nine".