222412315620 has 48 divisors (see below), whose sum is σ = 679368529728. Its totient is φ = 53918136960.

The previous prime is 222412315607. The next prime is 222412315739. The reversal of 222412315620 is 26513214222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168493519 + ... + 168494838.

It is an arithmetic number, because the mean of its divisors is an integer number (14153511036).

Almost surely, 2^222412315620 is an apocalyptic number.

222412315620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222412315620 is an abundant number, since it is smaller than the sum of its proper divisors (456956214108).

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

222412315620 is a wasteful number, since it uses less digits than its factorization.

222412315620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336988380 (or 336988378 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 222412315620 its reverse (26513214222), we get a palindrome (248925529842).

The spelling of 222412315620 in words is "two hundred twenty-two billion, four hundred twelve million, three hundred fifteen thousand, six hundred twenty".