222974913 has 32 divisors (see below), whose sum is σ = 350383104. Its totient is φ = 123463872.

The previous prime is 222974911. The next prime is 222974951. The reversal of 222974913 is 319479222.

It is not a de Polignac number, because 222974913 - 2¹ = 222974911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222974911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269206 + ... + 270032.

It is an arithmetic number, because the mean of its divisors is an integer number (10949472).

Almost surely, 2^222974913 is an apocalyptic number.

It is an amenable number.

222974913 is a deficient number, since it is larger than the sum of its proper divisors (127408191).

222974913 is a wasteful number, since it uses less digits than its factorization.

222974913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its digits is 54432, while the sum is 39.

The square root of 222974913 is about 14932.3445245547. The cubic root of 222974913 is about 606.3899585749.

The spelling of 222974913 in words is "two hundred twenty-two million, nine hundred seventy-four thousand, nine hundred thirteen".