22254391732 has 12 divisors (see below), whose sum is σ = 39026494080. Its totient is φ = 11103964856.

The previous prime is 22254391723. The next prime is 22254391771. The reversal of 22254391732 is 23719345222.

It is a super-3 number, since 3×22254391732³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805598 + ... + 5809429.

It is an arithmetic number, because the mean of its divisors is an integer number (3252207840).

Almost surely, 2^22254391732 is an apocalyptic number.

It is an amenable number.

22254391732 is a deficient number, since it is larger than the sum of its proper divisors (16772102348).

22254391732 is a wasteful number, since it uses less digits than its factorization.

22254391732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615510 (or 11615508 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The spelling of 22254391732 in words is "twenty-two billion, two hundred fifty-four million, three hundred ninety-one thousand, seven hundred thirty-two".