22434999 has 4 divisors (see below), whose sum is σ = 29913336. Its totient is φ = 14956664.

The previous prime is 22434989. The next prime is 22435003. The reversal of 22434999 is 99943422.

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 22434999 - 2⁸ = 22434743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22434999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434989) 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, 3739164 + ... + 3739169.

It is an arithmetic number, because the mean of its divisors is an integer number (7478334).

Almost surely, 2^22434999 is an apocalyptic number.

22434999 is a deficient number, since it is larger than the sum of its proper divisors (7478337).

22434999 is an equidigital number, since it uses as much as digits as its factorization.

22434999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478336.

The product of its digits is 139968, while the sum is 42.

The square root of 22434999 is about 4736.5598275542. The cubic root of 22434999 is about 282.0386874139.

The spelling of 22434999 in words is "twenty-two million, four hundred thirty-four thousand, nine hundred ninety-nine".