22906429 has 36 divisors (see below), whose sum is σ = 30562464. Its totient is φ = 16803072.

The previous prime is 22906417. The next prime is 22906483. The reversal of 22906429 is 92460922.

It is a happy number.

It is not a de Polignac number, because 22906429 - 2¹³ = 22898237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22906394 and 22906403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22906409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 341854 + ... + 341920.

Almost surely, 2^22906429 is an apocalyptic number.

It is an amenable number.

22906429 is a deficient number, since it is larger than the sum of its proper divisors (7656035).

22906429 is a wasteful number, since it uses less digits than its factorization.

22906429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 22906429 is about 4786.0661299234. The cubic root of 22906429 is about 284.0005165963. Note that the first 3 decimals are identical.

The spelling of 22906429 in words is "twenty-two million, nine hundred six thousand, four hundred twenty-nine".