22429908 has 36 divisors (see below), whose sum is σ = 56871360. Its totient is φ = 7453776.

The previous prime is 22429903. The next prime is 22429909. The reversal of 22429908 is 80992422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22429903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14341 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (1579760).

Almost surely, 2^22429908 is an apocalyptic number.

It is an amenable number.

22429908 is an abundant number, since it is smaller than the sum of its proper divisors (34441452).

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

22429908 is a wasteful number, since it uses less digits than its factorization.

22429908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22429908 is about 4736.0223817039. The cubic root of 22429908 is about 282.0173521841.

It can be divided in two parts, 2 and 2429908, that added together give a triangular number (2429910 = T₂₂₀₄).

The spelling of 22429908 in words is "twenty-two million, four hundred twenty-nine thousand, nine hundred eight".