22024277158009 has 81 divisors (see below), whose sum is σ = 27537674656167. Its totient is φ = 17559790553088.

The previous prime is 22024277157991. The next prime is 22024277158049. The reversal of 22024277158009 is 90085177242022.

It is a happy number.

The square root of 22024277158009 is 4693003.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 13486543794409 + 8537733363600 = 3672403^2 + 2921940^2 .

It is not a de Polignac number, because 22024277158009 - 2⁹ = 22024277157497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22024277158049) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 63106811167 + ... + 63106811515.

Almost surely, 2^{22024277158009} is an apocalyptic number.

22024277158009 is the 4693003-rd square number.

22024277158009 is the 2346502-nd centered octagonal number.

It is an amenable number.

22024277158009 is a deficient number, since it is larger than the sum of its proper divisors (5513397498158).

22024277158009 is an frugal number, since it uses more digits than its factorization.

22024277158009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

22024277158009 divided by its sum of digits (49) gives a square (449475044041 = 670429²).

The spelling of 22024277158009 in words is "twenty-two trillion, twenty-four billion, two hundred seventy-seven million, one hundred fifty-eight thousand, nine".