22902609 has 4 divisors (see below), whose sum is σ = 30536816. Its totient is φ = 15268404.

The previous prime is 22902589. The next prime is 22902611. The reversal of 22902609 is 90620922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22902609 - 2⁹ = 22902097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22902109) 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, 3817099 + ... + 3817104.

It is an arithmetic number, because the mean of its divisors is an integer number (7634204).

Almost surely, 2^22902609 is an apocalyptic number.

It is an amenable number.

22902609 is a deficient number, since it is larger than the sum of its proper divisors (7634207).

22902609 is an equidigital number, since it uses as much as digits as its factorization.

22902609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634206.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 22902609 is about 4785.6670381463. The cubic root of 22902609 is about 283.9847285645.

The spelling of 22902609 in words is "twenty-two million, nine hundred two thousand, six hundred nine".