56605222 has 8 divisors (see below), whose sum is σ = 86071176. Its totient is φ = 27914832.

The previous prime is 56605217. The next prime is 56605259. The reversal of 56605222 is 22250665.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193708 + ... + 193999.

It is an arithmetic number, because the mean of its divisors is an integer number (10758897).

Almost surely, 2^56605222 is an apocalyptic number.

56605222 is a deficient number, since it is larger than the sum of its proper divisors (29465954).

56605222 is a wasteful number, since it uses less digits than its factorization.

56605222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387782.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56605222 is about 7523.6441967972. The cubic root of 56605222 is about 383.9595723860.

Adding to 56605222 its reverse (22250665), we get a palindrome (78855887).

The spelling of 56605222 in words is "fifty-six million, six hundred five thousand, two hundred twenty-two".