22429679 has 4 divisors (see below), whose sum is σ = 22450776. Its totient is φ = 22408584.

The previous prime is 22429663. The next prime is 22429697. The reversal of 22429679 is 97692422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22429679 - 2⁴ = 22429663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22429619) 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, 8864 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (5612694).

Almost surely, 2^22429679 is an apocalyptic number.

22429679 is a deficient number, since it is larger than the sum of its proper divisors (21097).

22429679 is a wasteful number, since it uses less digits than its factorization.

22429679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21096.

The product of its digits is 108864, while the sum is 41.

The square root of 22429679 is about 4735.9982052361. The cubic root of 22429679 is about 282.0163924210.

The spelling of 22429679 in words is "twenty-two million, four hundred twenty-nine thousand, six hundred seventy-nine".