22402923 has 8 divisors (see below), whose sum is σ = 31627728. Its totient is φ = 14056704.

The previous prime is 22402903. The next prime is 22402931. The reversal of 22402923 is 32920422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22402923 - 2⁶ = 22402859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22402893 and 22402902.

It is not an unprimeable number, because it can be changed into a prime (22402903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219586 + ... + 219687.

It is an arithmetic number, because the mean of its divisors is an integer number (3953466).

Almost surely, 2^22402923 is an apocalyptic number.

22402923 is a deficient number, since it is larger than the sum of its proper divisors (9224805).

22402923 is a wasteful number, since it uses less digits than its factorization.

22402923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439293.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22402923 is about 4733.1726146423. The cubic root of 22402923 is about 281.9042102101.

The spelling of 22402923 in words is "twenty-two million, four hundred two thousand, nine hundred twenty-three".