22147540407 has 12 divisors (see below), whose sum is σ = 32060292264. Its totient is φ = 14732995920.

The previous prime is 22147540369. The next prime is 22147540421. The reversal of 22147540407 is 70404574122.

It is not a de Polignac number, because 22147540407 - 2⁶ = 22147540343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147540477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2664873 + ... + 2673170.

It is an arithmetic number, because the mean of its divisors is an integer number (2671691022).

Almost surely, 2^22147540407 is an apocalyptic number.

22147540407 is a deficient number, since it is larger than the sum of its proper divisors (9912751857).

22147540407 is a wasteful number, since it uses less digits than its factorization.

22147540407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338510 (or 5338507 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The spelling of 22147540407 in words is "twenty-two billion, one hundred forty-seven million, five hundred forty thousand, four hundred seven".