56906222 has 8 divisors (see below), whose sum is σ = 87666456. Its totient is φ = 27684072.

The previous prime is 56906221. The next prime is 56906251. The reversal of 56906222 is 22260965.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56906221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384428 + ... + 384575.

It is an arithmetic number, because the mean of its divisors is an integer number (10958307).

Almost surely, 2^56906222 is an apocalyptic number.

56906222 is a deficient number, since it is larger than the sum of its proper divisors (30760234).

56906222 is a wasteful number, since it uses less digits than its factorization.

56906222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769042.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 56906222 is about 7543.6212789349. The cubic root of 56906222 is about 384.6389418740.

The spelling of 56906222 in words is "fifty-six million, nine hundred six thousand, two hundred twenty-two".