22545369 has 24 divisors (see below), whose sum is σ = 40602432. Its totient is φ = 11711520.

The previous prime is 22545353. The next prime is 22545377. The reversal of 22545369 is 96354522.

It is not a de Polignac number, because 22545369 - 2⁴ = 22545353 is a prime.

It is a super-2 number, since 2×22545369² = 1016587326692322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22545329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15574 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (1691768).

Almost surely, 2^22545369 is an apocalyptic number.

It is an amenable number.

22545369 is a deficient number, since it is larger than the sum of its proper divisors (18057063).

22545369 is a wasteful number, since it uses less digits than its factorization.

22545369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32557 (or 32554 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 22545369 is about 4748.1963944218. The cubic root of 22545369 is about 282.5004317742.

It can be divided in two parts, 225453 and 69, that added together give a palindrome (225522).

The spelling of 22545369 in words is "twenty-two million, five hundred forty-five thousand, three hundred sixty-nine".