22424961 has 16 divisors (see below), whose sum is σ = 32285120. Its totient is φ = 13763520.

The previous prime is 22424957. The next prime is 22424981. The reversal of 22424961 is 16942422.

It is not a de Polignac number, because 22424961 - 2² = 22424957 is a prime.

It is the 4736-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22424911) by changing a digit.

It is a nontrivial repunit in base 4735.

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 15 ways as a sum of consecutive naturals, for example, 27246 + ... + 28056.

It is an arithmetic number, because the mean of its divisors is an integer number (2017820).

Almost surely, 2^22424961 is an apocalyptic number.

It is an amenable number.

22424961 is a deficient number, since it is larger than the sum of its proper divisors (9860159).

22424961 is a wasteful number, since it uses less digits than its factorization.

22424961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its digits is 6912, while the sum is 30.

The square root of 22424961 is about 4735.5000791891. The cubic root of 22424961 is about 281.9966173328.

The spelling of 22424961 in words is "twenty-two million, four hundred twenty-four thousand, nine hundred sixty-one".