22402112549569 has 9 divisors (see below), whose sum is σ = 22452999474531. Its totient is φ = 22351340725320.

The previous prime is 22402112549567. The next prime is 22402112549659. The reversal of 22402112549569 is 96594521120422.

The square root of 22402112549569 is 4733087.

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

It can be written as a sum of positive squares in only one way, i.e., 7180722417969 + 15221390131600 = 2679687^2 + 3901460^2 .

It is not a de Polignac number, because 22402112549569 - 2¹ = 22402112549567 is a prime.

It is a super-2 number, since 2×22402112549569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22402112549567) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2181947974 + ... + 2181958240.

Almost surely, 2^{22402112549569} is an apocalyptic number.

22402112549569 is the 4733087-th square number.

22402112549569 is the 2366544-th centered octagonal number.

It is an amenable number.

22402112549569 is a deficient number, since it is larger than the sum of its proper divisors (50886924962).

22402112549569 is an frugal number, since it uses more digits than its factorization.

22402112549569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21456 (or 10728 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 22402112549569 in words is "twenty-two trillion, four hundred two billion, one hundred twelve million, five hundred forty-nine thousand, five hundred sixty-nine".