222740955 has 32 divisors (see below), whose sum is σ = 399643200. Its totient is φ = 117697536.

The previous prime is 222740941. The next prime is 222740957. The reversal of 222740955 is 559047222.

It is a happy number.

It is not a de Polignac number, because 222740955 - 2⁴ = 222740939 is a prime.

It is a super-2 number, since 2×222740955² = 99227066068624050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222740957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7147 + ... + 22283.

It is an arithmetic number, because the mean of its divisors is an integer number (12488850).

Almost surely, 2^222740955 is an apocalyptic number.

222740955 is a deficient number, since it is larger than the sum of its proper divisors (176902245).

222740955 is a wasteful number, since it uses less digits than its factorization.

222740955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15260 (or 15254 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 222740955 is about 14924.5085346218. The cubic root of 222740955 is about 606.1777980404.

The spelling of 222740955 in words is "two hundred twenty-two million, seven hundred forty thousand, nine hundred fifty-five".