22473389 has 2 divisors, whose sum is σ = 22473390. Its totient is φ = 22473388.

The previous prime is 22473331. The next prime is 22473397. The reversal of 22473389 is 98337422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 100489 = 4730^2 + 317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22473389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22472389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11236694 + 11236695.

It is an arithmetic number, because the mean of its divisors is an integer number (11236695).

Almost surely, 2^22473389 is an apocalyptic number.

It is an amenable number.

22473389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22473389 is an equidigital number, since it uses as much as digits as its factorization.

22473389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 22473389 is about 4740.6106146782. The cubic root of 22473389 is about 282.1994673812.

The spelling of 22473389 in words is "twenty-two million, four hundred seventy-three thousand, three hundred eighty-nine".