22477389 has 32 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 12902400.

The previous prime is 22477379. The next prime is 22477397. The reversal of 22477389 is 98377422.

It is not a de Polignac number, because 22477389 - 2¹³ = 22469197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22477389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22477309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49837 + ... + 50285.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^22477389 is an apocalyptic number.

It is an amenable number.

22477389 is a deficient number, since it is larger than the sum of its proper divisors (11996211).

22477389 is a wasteful number, since it uses less digits than its factorization.

22477389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 169344, while the sum is 42.

The square root of 22477389 is about 4741.0324824873. The cubic root of 22477389 is about 282.2162091212.

The spelling of 22477389 in words is "twenty-two million, four hundred seventy-seven thousand, three hundred eighty-nine".