222020856 has 48 divisors (see below), whose sum is σ = 614109600. Its totient is φ = 72431232.

The previous prime is 222020849. The next prime is 222020857. The reversal of 222020856 is 658020222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29421 + ... + 36188.

It is an arithmetic number, because the mean of its divisors is an integer number (12793950).

Almost surely, 2^222020856 is an apocalyptic number.

It is an amenable number.

222020856 is an abundant number, since it is smaller than the sum of its proper divisors (392088744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222020856 is a wasteful number, since it uses less digits than its factorization.

222020856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65668 (or 65661 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 222020856 is about 14900.3642908487. The cubic root of 222020856 is about 605.5238556341.

The spelling of 222020856 in words is "two hundred twenty-two million, twenty thousand, eight hundred fifty-six".