222051556 has 24 divisors (see below), whose sum is σ = 416767680. Its totient is φ = 103195872.

The previous prime is 222051551. The next prime is 222051589. The reversal of 222051556 is 655150222.

It is a super-2 number, since 2×222051556² = 98613787044042272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222051551) 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, 23536 + ... + 31591.

It is an arithmetic number, because the mean of its divisors is an integer number (17365320).

Almost surely, 2^222051556 is an apocalyptic number.

It is an amenable number.

222051556 is a deficient number, since it is larger than the sum of its proper divisors (194716124).

222051556 is a wasteful number, since it uses less digits than its factorization.

222051556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55203 (or 55201 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 222051556 is about 14901.3944313947. The cubic root of 222051556 is about 605.5517640116.

The spelling of 222051556 in words is "two hundred twenty-two million, fifty-one thousand, five hundred fifty-six".