25132226172 has 24 divisors (see below), whose sum is σ = 60226777296. Its totient is φ = 8150992128.

The previous prime is 25132226167. The next prime is 25132226173. The reversal of 25132226172 is 27162223152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132226173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28301613 + ... + 28302500.

It is an arithmetic number, because the mean of its divisors is an integer number (2509449054).

Almost surely, 2^25132226172 is an apocalyptic number.

It is an amenable number.

25132226172 is an abundant number, since it is smaller than the sum of its proper divisors (35094551124).

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

25132226172 is a wasteful number, since it uses less digits than its factorization.

25132226172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56604157 (or 56604155 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The spelling of 25132226172 in words is "twenty-five billion, one hundred thirty-two million, two hundred twenty-six thousand, one hundred seventy-two".