22429906 has 8 divisors (see below), whose sum is σ = 33683580. Its totient is φ = 11202048.

The previous prime is 22429903. The next prime is 22429909. The reversal of 22429906 is 60992422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22429903) and next prime (22429909).

It can be written as a sum of positive squares in 2 ways, for example, as 16883881 + 5546025 = 4109^2 + 2355^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 4111 + ... + 7858.

Almost surely, 2^22429906 is an apocalyptic number.

22429906 is a deficient number, since it is larger than the sum of its proper divisors (11253674).

22429906 is a wasteful number, since it uses less digits than its factorization.

22429906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908.

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

The square root of 22429906 is about 4736.0221705562. The cubic root of 22429906 is about 282.0173438019.

The spelling of 22429906 in words is "twenty-two million, four hundred twenty-nine thousand, nine hundred six".