222312212300 has 36 divisors (see below), whose sum is σ = 482810296080. Its totient is φ = 88852480320.

The previous prime is 222312212299. The next prime is 222312212333. The reversal of 222312212300 is 3212213222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781544 + ... + 1027343.

Almost surely, 2^222312212300 is an apocalyptic number.

222312212300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222312212300 is an abundant number, since it is smaller than the sum of its proper divisors (260498083780).

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

222312212300 is a wasteful number, since it uses less digits than its factorization.

222312212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810130 (or 1810123 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222312212300 its reverse (3212213222), we get a palindrome (225524425522).

The spelling of 222312212300 in words is "two hundred twenty-two billion, three hundred twelve million, two hundred twelve thousand, three hundred".