222405521204 has 12 divisors (see below), whose sum is σ = 389218697028. Its totient is φ = 111200179200.

The previous prime is 222405521201. The next prime is 222405521213. The reversal of 222405521204 is 402125504222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 221325084304 + 1080436900 = 470452^2 + 32870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222405521201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444557 + ... + 801524.

It is an arithmetic number, because the mean of its divisors is an integer number (32434891419).

Almost surely, 2^222405521204 is an apocalyptic number.

It is an amenable number.

222405521204 is a deficient number, since it is larger than the sum of its proper divisors (166813175824).

222405521204 is a wasteful number, since it uses less digits than its factorization.

222405521204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290706 (or 1290704 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 222405521204 in words is "two hundred twenty-two billion, four hundred five million, five hundred twenty-one thousand, two hundred four".