222166636770 has 64 divisors (see below), whose sum is σ = 599181214464. Its totient is φ = 52309466880.

The previous prime is 222166636759. The next prime is 222166636801. The reversal of 222166636770 is 77636661222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12374901 + ... + 12392840.

It is an arithmetic number, because the mean of its divisors is an integer number (9362206476).

Almost surely, 2^222166636770 is an apocalyptic number.

222166636770 is an abundant number, since it is smaller than the sum of its proper divisors (377014577694).

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

222166636770 is a wasteful number, since it uses less digits than its factorization.

222166636770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24767787.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 222166636770 in words is "two hundred twenty-two billion, one hundred sixty-six million, six hundred thirty-six thousand, seven hundred seventy".