22999587145922 has 4 divisors (see below), whose sum is σ = 34499380718886. Its totient is φ = 11499793572960.

The previous prime is 22999587145921. The next prime is 22999587145949. The reversal of 22999587145922 is 22954178599922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20801161167241 + 2198425978681 = 4560829^2 + 1482709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22999587145922.

It is not an unprimeable number, because it can be changed into a prime (22999587145921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5749896786479 + ... + 5749896786482.

Almost surely, 2^{22999587145922} is an apocalyptic number.

22999587145922 is a deficient number, since it is larger than the sum of its proper divisors (11499793572964).

22999587145922 is a wasteful number, since it uses less digits than its factorization.

22999587145922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499793572963.

The product of its digits is 587865600, while the sum is 74.

The spelling of 22999587145922 in words is "twenty-two trillion, nine hundred ninety-nine billion, five hundred eighty-seven million, one hundred forty-five thousand, nine hundred twenty-two".