222534879 has 32 divisors (see below), whose sum is σ = 364008960. Its totient is φ = 118029312.

The previous prime is 222534877. The next prime is 222534881. The reversal of 222534879 is 978435222.

It is an interprime number because it is at equal distance from previous prime (222534877) and next prime (222534881).

It is not a de Polignac number, because 222534879 - 2¹ = 222534877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222534879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222534877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21792 + ... + 30330.

It is an arithmetic number, because the mean of its divisors is an integer number (11375280).

Almost surely, 2^222534879 is an apocalyptic number.

222534879 is a deficient number, since it is larger than the sum of its proper divisors (141474081).

222534879 is a wasteful number, since it uses less digits than its factorization.

222534879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639.

The product of its digits is 241920, while the sum is 42.

The square root of 222534879 is about 14917.6029910975. The cubic root of 222534879 is about 605.9907986926.

The spelling of 222534879 in words is "two hundred twenty-two million, five hundred thirty-four thousand, eight hundred seventy-nine".