22622289 has 4 divisors (see below), whose sum is σ = 30163056. Its totient is φ = 15081524.

The previous prime is 22622273. The next prime is 22622309. The reversal of 22622289 is 98222622.

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 a cyclic number.

It is not a de Polignac number, because 22622289 - 2⁴ = 22622273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22622209) 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, 3770379 + ... + 3770384.

It is an arithmetic number, because the mean of its divisors is an integer number (7540764).

Almost surely, 2^22622289 is an apocalyptic number.

It is an amenable number.

22622289 is a deficient number, since it is larger than the sum of its proper divisors (7540767).

22622289 is an equidigital number, since it uses as much as digits as its factorization.

22622289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540766.

The product of its digits is 13824, while the sum is 33.

The square root of 22622289 is about 4756.2894150798. The cubic root of 22622289 is about 282.8213442021.

The spelling of 22622289 in words is "twenty-two million, six hundred twenty-two thousand, two hundred eighty-nine".