22344429 has 16 divisors (see below), whose sum is σ = 30715200. Its totient is φ = 14441856.

The previous prime is 22344419. The next prime is 22344451. The reversal of 22344429 is 92444322.

It is not a de Polignac number, because 22344429 - 2⁸ = 22344173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22344396 and 22344405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13362 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (1919700).

Almost surely, 2^22344429 is an apocalyptic number.

It is an amenable number.

22344429 is a deficient number, since it is larger than the sum of its proper divisors (8370771).

22344429 is a wasteful number, since it uses less digits than its factorization.

22344429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its digits is 13824, while the sum is 30.

The square root of 22344429 is about 4726.9894224548. The cubic root of 22344429 is about 281.6586458663.

The spelling of 22344429 in words is "twenty-two million, three hundred forty-four thousand, four hundred twenty-nine".