22473472725 has 72 divisors (see below), whose sum is σ = 43942720224. Its totient is φ = 10888560000.

The previous prime is 22473472717. The next prime is 22473472727. The reversal of 22473472725 is 52727437422.

It is not a de Polignac number, because 22473472725 - 2³ = 22473472717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22473472727) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5272095 + ... + 5276355.

Almost surely, 2^22473472725 is an apocalyptic number.

22473472725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22473472725 is a deficient number, since it is larger than the sum of its proper divisors (21469247499).

22473472725 is a wasteful number, since it uses less digits than its factorization.

22473472725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419 (or 6411 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 45.

The spelling of 22473472725 in words is "twenty-two billion, four hundred seventy-three million, four hundred seventy-two thousand, seven hundred twenty-five".