22345404 has 24 divisors (see below), whose sum is σ = 52875648. Its totient is φ = 7343280.

The previous prime is 22345403. The next prime is 22345441. The reversal of 22345404 is 40454322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22345403) 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, 12262 + ... + 13965.

It is an arithmetic number, because the mean of its divisors is an integer number (2203152).

Almost surely, 2^22345404 is an apocalyptic number.

It is an amenable number.

22345404 is an abundant number, since it is smaller than the sum of its proper divisors (30530244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22345404 is a wasteful number, since it uses less digits than its factorization.

22345404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26305 (or 26303 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 22345404 is about 4727.0925525105. The cubic root of 22345404 is about 281.6627425353.

Adding to 22345404 its reverse (40454322), we get a palindrome (62799726).

The spelling of 22345404 in words is "twenty-two million, three hundred forty-five thousand, four hundred four".