22403129 has 16 divisors (see below), whose sum is σ = 26391552. Its totient is φ = 18618768.

The previous prime is 22403099. The next prime is 22403131. The reversal of 22403129 is 92130422.

It is a de Polignac number, because none of the positive numbers 2^k-22403129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22403149) 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 15 ways as a sum of consecutive naturals, for example, 79022 + ... + 79304.

It is an arithmetic number, because the mean of its divisors is an integer number (1649472).

Almost surely, 2^22403129 is an apocalyptic number.

It is an amenable number.

22403129 is a deficient number, since it is larger than the sum of its proper divisors (3988423).

22403129 is a wasteful number, since it uses less digits than its factorization.

22403129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22403129 is about 4733.1943758946. The cubic root of 22403129 is about 281.9050742654.

The spelling of 22403129 in words is "twenty-two million, four hundred three thousand, one hundred twenty-nine".