56255222 has 4 divisors (see below), whose sum is σ = 84382836. Its totient is φ = 28127610.

The previous prime is 56255203. The next prime is 56255231. The reversal of 56255222 is 22255265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22255265 = 5 ⋅4451053.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14063804 + ... + 14063807.

It is an arithmetic number, because the mean of its divisors is an integer number (21095709).

Almost surely, 2^56255222 is an apocalyptic number.

56255222 is a deficient number, since it is larger than the sum of its proper divisors (28127614).

56255222 is a wasteful number, since it uses less digits than its factorization.

56255222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127613.

The product of its digits is 12000, while the sum is 29.

The square root of 56255222 is about 7500.3481252539. The cubic root of 56255222 is about 383.1665726235.

The spelling of 56255222 in words is "fifty-six million, two hundred fifty-five thousand, two hundred twenty-two".