222412254 has 64 divisors (see below), whose sum is σ = 488277504. Its totient is φ = 67326336.

The previous prime is 222412237. The next prime is 222412261. The reversal of 222412254 is 452214222.

It is a congruent number.

It is an unprimeable number.

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, 219052 + ... + 220064.

It is an arithmetic number, because the mean of its divisors is an integer number (7629336).

Almost surely, 2^222412254 is an apocalyptic number.

222412254 is an abundant number, since it is smaller than the sum of its proper divisors (265865250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222412254 is a wasteful number, since it uses less digits than its factorization.

222412254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 2560, while the sum is 24.

The square root of 222412254 is about 14913.4923475355. The cubic root of 222412254 is about 605.8794704141.

Adding to 222412254 its reverse (452214222), we get a palindrome (674626476).

The spelling of 222412254 in words is "two hundred twenty-two million, four hundred twelve thousand, two hundred fifty-four".