222404370 has 32 divisors (see below), whose sum is σ = 565170048. Its totient is φ = 55819008.

The previous prime is 222404327. The next prime is 222404407. The reversal of 222404370 is 73404222.

It is a self number, because there is not a number n which added to its sum of digits gives 222404370.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 217534 + ... + 218553.

It is an arithmetic number, because the mean of its divisors is an integer number (17661564).

Almost surely, 2^222404370 is an apocalyptic number.

222404370 is an abundant number, since it is smaller than the sum of its proper divisors (342765678).

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

222404370 is a wasteful number, since it uses less digits than its factorization.

222404370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436114.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 222404370 is about 14913.2280207875. The cubic root of 222404370 is about 605.8723113209.

Adding to 222404370 its reverse (73404222), we get a palindrome (295808592).

The spelling of 222404370 in words is "two hundred twenty-two million, four hundred four thousand, three hundred seventy".