22428377 has 8 divisors (see below), whose sum is σ = 22752576. Its totient is φ = 22106512.

The previous prime is 22428359. The next prime is 22428383. The reversal of 22428377 is 77382422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22428377 - 2¹⁴ = 22411993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22428277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27743 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072).

Almost surely, 2^22428377 is an apocalyptic number.

It is an amenable number.

22428377 is a deficient number, since it is larger than the sum of its proper divisors (324199).

22428377 is a wasteful number, since it uses less digits than its factorization.

22428377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 37632, while the sum is 35.

The square root of 22428377 is about 4735.8607454189. The cubic root of 22428377 is about 282.0109354779.

The spelling of 22428377 in words is "twenty-two million, four hundred twenty-eight thousand, three hundred seventy-seven".