22104429 has 32 divisors (see below), whose sum is σ = 32686080. Its totient is φ = 13234752.

The previous prime is 22104427. The next prime is 22104431. The reversal of 22104429 is 92440122.

It is an interprime number because it is at equal distance from previous prime (22104427) and next prime (22104431).

It is not a de Polignac number, because 22104429 - 2¹ = 22104427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22104399 and 22104408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104427) 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, 99012 + ... + 99234.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^22104429 is an apocalyptic number.

It is an amenable number.

22104429 is a deficient number, since it is larger than the sum of its proper divisors (10581651).

22104429 is a wasteful number, since it uses less digits than its factorization.

22104429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22104429 is about 4701.5347494196. The cubic root of 22104429 is about 280.6465882040.

The spelling of 22104429 in words is "twenty-two million, one hundred four thousand, four hundred twenty-nine".