222109404 has 48 divisors (see below), whose sum is σ = 577414656. Its totient is φ = 65872000.

The previous prime is 222109399. The next prime is 222109417. The reversal of 222109404 is 404901222.

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 15 ways as a sum of consecutive naturals, for example, 11697 + ... + 24104.

It is an arithmetic number, because the mean of its divisors is an integer number (12029472).

Almost surely, 2^222109404 is an apocalyptic number.

It is an amenable number.

222109404 is an abundant number, since it is smaller than the sum of its proper divisors (355305252).

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

222109404 is a wasteful number, since it uses less digits than its factorization.

222109404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35866 (or 35864 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 222109404 is about 14903.3353313948. The cubic root of 222109404 is about 605.6043447689.

The spelling of 222109404 in words is "two hundred twenty-two million, one hundred nine thousand, four hundred four".