22367860721 has 8 divisors (see below), whose sum is σ = 23814469224. Its totient is φ = 20935791360.

The previous prime is 22367860699. The next prime is 22367860727. The reversal of 22367860721 is 12706876322.

It can be written as a sum of positive squares in 4 ways, for example, as 113188321 + 22254672400 = 10639^2 + 149180^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22367860721 - 2³⁴ = 5187991537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22367860727) 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, 3631610 + ... + 3637763.

It is an arithmetic number, because the mean of its divisors is an integer number (2976808653).

Almost surely, 2^22367860721 is an apocalyptic number.

It is an amenable number.

22367860721 is a deficient number, since it is larger than the sum of its proper divisors (1446608503).

22367860721 is a wasteful number, since it uses less digits than its factorization.

22367860721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269571.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 22367860721 in words is "twenty-two billion, three hundred sixty-seven million, eight hundred sixty thousand, seven hundred twenty-one".