22413649 has 4 divisors (see below), whose sum is σ = 22499136. Its totient is φ = 22328164.

The previous prime is 22413613. The next prime is 22413653. The reversal of 22413649 is 94631422.

It is a happy number.

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 22413649 - 2¹⁷ = 22282577 is a prime.

It is a super-2 number, since 2×22413649² = 1004743322990402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22413649.

It is not an unprimeable number, because it can be changed into a prime (22413949) 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, 42349 + ... + 42874.

It is an arithmetic number, because the mean of its divisors is an integer number (5624784).

Almost surely, 2^22413649 is an apocalyptic number.

It is an amenable number.

22413649 is a deficient number, since it is larger than the sum of its proper divisors (85487).

22413649 is an equidigital number, since it uses as much as digits as its factorization.

22413649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85486.

The product of its digits is 10368, while the sum is 31.

The square root of 22413649 is about 4734.3055456952. The cubic root of 22413649 is about 281.9491927648.

The spelling of 22413649 in words is "twenty-two million, four hundred thirteen thousand, six hundred forty-nine".