202274495172 has 216 divisors, whose sum is σ = 553349276480. Its totient is φ = 62274769920.

The previous prime is 202274495131. The next prime is 202274495183. The reversal of 202274495172 is 271594472202.

202274495172 is a `hidden beast` number, since 2 + 0 + 22 + 74 + 49 + 517 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 306012522 + ... + 306013182.

Almost surely, 2^202274495172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202274495172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276674638240).

202274495172 is an abundant number, since it is smaller than the sum of its proper divisors (351074781308).

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

202274495172 is a wasteful number, since it uses less digits than its factorization.

202274495172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 202274495172 in words is "two hundred two billion, two hundred seventy-four million, four hundred ninety-five thousand, one hundred seventy-two".