25225461522 has 12 divisors (see below), whose sum is σ = 54655166670. Its totient is φ = 8408487168.

The previous prime is 25225461467. The next prime is 25225461533. The reversal of 25225461522 is 22516452252.

25225461522 is a `hidden beast` number, since 2 + 5 + 22 + 54 + 61 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21453167961 + 3772293561 = 146469^2 + 61419^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700707247 + ... + 700707282.

Almost surely, 2^25225461522 is an apocalyptic number.

25225461522 is an abundant number, since it is smaller than the sum of its proper divisors (29429705148).

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

25225461522 is a wasteful number, since it uses less digits than its factorization.

25225461522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401414537 (or 1401414534 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 25225461522 in words is "twenty-five billion, two hundred twenty-five million, four hundred sixty-one thousand, five hundred twenty-two".