22450929 has 4 divisors (see below), whose sum is σ = 29934576. Its totient is φ = 14967284.

The previous prime is 22450907. The next prime is 22450949. The reversal of 22450929 is 92905422.

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 a de Polignac number, because none of the positive numbers 2^k-22450929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22450929.

It is not an unprimeable number, because it can be changed into a prime (22450949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3741819 + ... + 3741824.

It is an arithmetic number, because the mean of its divisors is an integer number (7483644).

Almost surely, 2^22450929 is an apocalyptic number.

It is an amenable number.

22450929 is a deficient number, since it is larger than the sum of its proper divisors (7483647).

22450929 is an equidigital number, since it uses as much as digits as its factorization.

22450929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483646.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 22450929 is about 4738.2411293644. The cubic root of 22450929 is about 282.1054255986.

The spelling of 22450929 in words is "twenty-two million, four hundred fifty thousand, nine hundred twenty-nine".