22607389 has 4 divisors (see below), whose sum is σ = 25837024. Its totient is φ = 19377756.

The previous prime is 22607383. The next prime is 22607411. The reversal of 22607389 is 98370622.

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 22607389 - 2³ = 22607381 is a prime.

It is a super-2 number, since 2×22607389² = 1022188074794642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22607381) 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, 1614807 + ... + 1614820.

It is an arithmetic number, because the mean of its divisors is an integer number (6459256).

Almost surely, 2^22607389 is an apocalyptic number.

It is an amenable number.

22607389 is a deficient number, since it is larger than the sum of its proper divisors (3229635).

22607389 is an equidigital number, since it uses as much as digits as its factorization.

22607389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229634.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 22607389 is about 4754.7228100069. The cubic root of 22607389 is about 282.7592378499.

The spelling of 22607389 in words is "twenty-two million, six hundred seven thousand, three hundred eighty-nine".