22673432929 has 21 divisors (see below), whose sum is σ = 26512699377. Its totient is φ = 19390101444.

The previous prime is 22673432927. The next prime is 22673432939. The reversal of 22673432929 is 92923437622.

The square root of 22673432929 is 150577.

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

It is not a de Polignac number, because 22673432929 - 2¹ = 22673432927 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 (22673432921) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 51647692 + ... + 51648130.

Almost surely, 2^22673432929 is an apocalyptic number.

22673432929 is the 150577-th square number.

22673432929 is the 75289-th centered octagonal number.

It is an amenable number.

22673432929 is a deficient number, since it is larger than the sum of its proper divisors (3839266448).

22673432929 is an frugal number, since it uses more digits than its factorization.

22673432929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 446 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 49.

Multiplying 22673432929 by its sum of digits (49), we get a square (1110998213521 = 1054039²).

22673432929 divided by its sum of digits (49) gives a square (462723121 = 21511²).

The spelling of 22673432929 in words is "twenty-two billion, six hundred seventy-three million, four hundred thirty-two thousand, nine hundred twenty-nine".