102187479222 has 24 divisors (see below), whose sum is σ = 226806357960. Its totient is φ = 33231700320.

The previous prime is 102187479221. The next prime is 102187479257. The reversal of 102187479222 is 222974781201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102187479221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69231972 + ... + 69233447.

It is an arithmetic number, because the mean of its divisors is an integer number (9450264915).

Almost surely, 2^102187479222 is an apocalyptic number.

102187479222 is an abundant number, since it is smaller than the sum of its proper divisors (124618878738).

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

102187479222 is a wasteful number, since it uses less digits than its factorization.

102187479222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138465468 (or 138465465 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 102187479222 in words is "one hundred two billion, one hundred eighty-seven million, four hundred seventy-nine thousand, two hundred twenty-two".