222055331 has 4 divisors (see below), whose sum is σ = 224211312. Its totient is φ = 219899352.

The previous prime is 222055321. The next prime is 222055367. The reversal of 222055331 is 133550222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222055331 is a prime.

It is a super-2 number, since 2×222055331² = 98617140051039122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222055297 and 222055306.

It is not an unprimeable number, because it can be changed into a prime (222055321) 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, 1077836 + ... + 1078041.

It is an arithmetic number, because the mean of its divisors is an integer number (56052828).

Almost surely, 2^222055331 is an apocalyptic number.

222055331 is a deficient number, since it is larger than the sum of its proper divisors (2155981).

222055331 is a wasteful number, since it uses less digits than its factorization.

222055331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155980.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 222055331 is about 14901.5210968545. The cubic root of 222055331 is about 605.5551955644. Note that the first 3 decimals are identical.

The spelling of 222055331 in words is "two hundred twenty-two million, fifty-five thousand, three hundred thirty-one".