25122622134 has 32 divisors (see below), whose sum is σ = 53269837920. Its totient is φ = 7871386112.

The previous prime is 25122622099. The next prime is 25122622139. The reversal of 25122622134 is 43122622152.

It is a super-2 number, since 2×25122622134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122622139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80469 + ... + 238160.

It is an arithmetic number, because the mean of its divisors is an integer number (1664682435).

Almost surely, 2^25122622134 is an apocalyptic number.

25122622134 is an abundant number, since it is smaller than the sum of its proper divisors (28147215786).

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

25122622134 is a wasteful number, since it uses less digits than its factorization.

25122622134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319424.

The product of its digits is 11520, while the sum is 30.

The spelling of 25122622134 in words is "twenty-five billion, one hundred twenty-two million, six hundred twenty-two thousand, one hundred thirty-four".