22649369 has 4 divisors (see below), whose sum is σ = 22664400. Its totient is φ = 22634340.

The previous prime is 22649359. The next prime is 22649371. The reversal of 22649369 is 96394622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22649369 - 2¹⁶ = 22583833 is a prime.

It is a super-2 number, since 2×22649369² = 1025987832196322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22649309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (5666100).

Almost surely, 2^22649369 is an apocalyptic number.

It is an amenable number.

22649369 is a deficient number, since it is larger than the sum of its proper divisors (15031).

22649369 is a wasteful number, since it uses less digits than its factorization.

22649369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030.

The product of its digits is 139968, while the sum is 41.

The square root of 22649369 is about 4759.1353206229. The cubic root of 22649369 is about 282.9341495869.

The spelling of 22649369 in words is "twenty-two million, six hundred forty-nine thousand, three hundred sixty-nine".