225122523408 has 30 divisors (see below), whose sum is σ = 630030395774. Its totient is φ = 75040841088.

The previous prime is 225122523371. The next prime is 225122523427. The reversal of 225122523408 is 804325221522.

225122523408 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 225 + 23 + 408 = 666.

It can be written as a sum of positive squares in only one way, i.e., 153827115264 + 71295408144 = 392208^2 + 267012^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 781675285 + ... + 781675572.

Almost surely, 2^225122523408 is an apocalyptic number.

It is an amenable number.

225122523408 is an abundant number, since it is smaller than the sum of its proper divisors (404907872366).

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

225122523408 is a wasteful number, since it uses less digits than its factorization.

225122523408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563350871 (or 1563350862 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 225122523408 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred twenty-three thousand, four hundred eight".