22226933569 has 3 divisors (see below), whose sum is σ = 22227082657. Its totient is φ = 22226784482.

The previous prime is 22226933563. The next prime is 22226933579. The reversal of 22226933569 is 96533962222.

It is a happy number.

The square root of 22226933569 is 149087.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 22226933569 - 2¹⁹ = 22226409281 is a prime.

It is a super-2 number, since 2×22226933569² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22226933563) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 74544 + ... + 223630.

Almost surely, 2^22226933569 is an apocalyptic number.

22226933569 is the 149087-th square number.

22226933569 is the 74544-th centered octagonal number.

It is an amenable number.

22226933569 is a deficient number, since it is larger than the sum of its proper divisors (149088).

22226933569 is an frugal number, since it uses more digits than its factorization.

22226933569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298174 (or 149087 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 49.

Multiplying 22226933569 by its sum of digits (49), we get a square (1089119744881 = 1043609²).

The spelling of 22226933569 in words is "twenty-two billion, two hundred twenty-six million, nine hundred thirty-three thousand, five hundred sixty-nine".