22172389362 has 30 divisors (see below), whose sum is σ = 49686823263. Its totient is φ = 7390164708.

The previous prime is 22172389313. The next prime is 22172389381. The reversal of 22172389362 is 26398327122.

It can be written as a sum of positive squares in only one way, i.e., 11086194681 + 11086194681 = 105291^2 + 105291^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105291.

It is a super-2 number, since 2×22172389362² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1889389 + ... + 1901087.

Almost surely, 2^22172389362 is an apocalyptic number.

22172389362 is an abundant number, since it is smaller than the sum of its proper divisors (27514433901).

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

22172389362 is an frugal number, since it uses more digits than its factorization.

22172389362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412 (or 11704 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 22172389362 in words is "twenty-two billion, one hundred seventy-two million, three hundred eighty-nine thousand, three hundred sixty-two".