22901709 has 4 divisors (see below), whose sum is σ = 30535616. Its totient is φ = 15267804.

The previous prime is 22901701. The next prime is 22901719. The reversal of 22901709 is 90710922.

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 22901709 - 2³ = 22901701 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 (22901701) 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, 3816949 + ... + 3816954.

It is an arithmetic number, because the mean of its divisors is an integer number (7633904).

Almost surely, 2^22901709 is an apocalyptic number.

It is an amenable number.

22901709 is a deficient number, since it is larger than the sum of its proper divisors (7633907).

22901709 is an equidigital number, since it uses as much as digits as its factorization.

22901709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633906.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 22901709 is about 4785.5730064434. The cubic root of 22901709 is about 283.9810086157.

The spelling of 22901709 in words is "twenty-two million, nine hundred one thousand, seven hundred nine".