22939625669 has 4 divisors (see below), whose sum is σ = 22940130444. Its totient is φ = 22939120896.

The previous prime is 22939625549. The next prime is 22939625719. The reversal of 22939625669 is 96652693922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96652693922 = 2 ⋅48326346961.

It can be written as a sum of positive squares in 2 ways, for example, as 15347988769 + 7591636900 = 123887^2 + 87130^2 .

It is a cyclic number.

It is not a de Polignac number, because 22939625669 - 2²⁴ = 22922848453 is a prime.

It is a super-2 number, since 2×22939625669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22939628669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176642 + ... + 277635.

It is an arithmetic number, because the mean of its divisors is an integer number (5735032611).

Almost surely, 2^22939625669 is an apocalyptic number.

It is an amenable number.

22939625669 is a deficient number, since it is larger than the sum of its proper divisors (504775).

22939625669 is an equidigital number, since it uses as much as digits as its factorization.

22939625669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504774.

The product of its digits is 18895680, while the sum is 59.

The spelling of 22939625669 in words is "twenty-two billion, nine hundred thirty-nine million, six hundred twenty-five thousand, six hundred sixty-nine".