22777922 has 8 divisors (see below), whose sum is σ = 35965200. Its totient is φ = 10789524.

The previous prime is 22777921. The next prime is 22777927. The reversal of 22777922 is 22977722.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 599419 = 22777922 / (2 + 2 + 7 + 7 + 7 + 9 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (22777921) 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, 299672 + ... + 299747.

It is an arithmetic number, because the mean of its divisors is an integer number (4495650).

Almost surely, 2^22777922 is an apocalyptic number.

22777922 is a deficient number, since it is larger than the sum of its proper divisors (13187278).

22777922 is a wasteful number, since it uses less digits than its factorization.

22777922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599440.

The product of its digits is 49392, while the sum is 38.

The square root of 22777922 is about 4772.6221304436. The cubic root of 22777922 is about 283.4684313821.

The spelling of 22777922 in words is "twenty-two million, seven hundred seventy-seven thousand, nine hundred twenty-two".