22464429 has 32 divisors (see below), whose sum is σ = 35288064. Its totient is φ = 12579840.

The previous prime is 22464413. The next prime is 22464443. The reversal of 22464429 is 92446422.

It is not a de Polignac number, because 22464429 - 2⁴ = 22464413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22464429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20007 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (1102752).

Almost surely, 2^22464429 is an apocalyptic number.

It is an amenable number.

22464429 is a deficient number, since it is larger than the sum of its proper divisors (12823635).

22464429 is a wasteful number, since it uses less digits than its factorization.

22464429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 27648, while the sum is 33.

The square root of 22464429 is about 4739.6654945260. The cubic root of 22464429 is about 282.1619586735.

The spelling of 22464429 in words is "twenty-two million, four hundred sixty-four thousand, four hundred twenty-nine".