222212222160 has 80 divisors (see below), whose sum is σ = 695177767680. Its totient is φ = 58712947200.

The previous prime is 222212222159. The next prime is 222212222173. The reversal of 222212222160 is 61222212222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222212222160.

It is a congruent number.

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, 4221016 + ... + 4273335.

It is an arithmetic number, because the mean of its divisors is an integer number (8689722096).

Almost surely, 2^222212222160 is an apocalyptic number.

222212222160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212222160 is an abundant number, since it is smaller than the sum of its proper divisors (472965545520).

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

222212222160 is a wasteful number, since it uses less digits than its factorization.

222212222160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494476 (or 8494470 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 222212222160 its reverse (61222212222), we get a palindrome (283434434382).

The spelling of 222212222160 in words is "two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred sixty".