222018955 has 16 divisors (see below), whose sum is σ = 273866400. Its totient is φ = 172719360.

The previous prime is 222018893. The next prime is 222018967. The reversal of 222018955 is 559810222.

It is a happy number.

It is not a de Polignac number, because 222018955 - 2²¹ = 219921803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222018955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23056 + ... + 31234.

It is an arithmetic number, because the mean of its divisors is an integer number (17116650).

Almost surely, 2^222018955 is an apocalyptic number.

222018955 is a deficient number, since it is larger than the sum of its proper divisors (51847445).

222018955 is an equidigital number, since it uses as much as digits as its factorization.

222018955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 222018955 is about 14900.3005003255. The cubic root of 222018955 is about 605.5221274118.

The spelling of 222018955 in words is "two hundred twenty-two million, eighteen thousand, nine hundred fifty-five".