22772361 has 4 divisors (see below), whose sum is σ = 30363152. Its totient is φ = 15181572.

The previous prime is 22772359. The next prime is 22772363. The reversal of 22772361 is 16327722.

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 an interprime number because it is at equal distance from previous prime (22772359) and next prime (22772363).

It is not a de Polignac number, because 22772361 - 2¹ = 22772359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22772363) 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, 3795391 + ... + 3795396.

It is an arithmetic number, because the mean of its divisors is an integer number (7590788).

Almost surely, 2^22772361 is an apocalyptic number.

It is an amenable number.

22772361 is a deficient number, since it is larger than the sum of its proper divisors (7590791).

22772361 is an equidigital number, since it uses as much as digits as its factorization.

22772361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590790.

The product of its digits is 7056, while the sum is 30.

The square root of 22772361 is about 4772.0395010938. The cubic root of 22772361 is about 283.4453608513.

The spelling of 22772361 in words is "twenty-two million, seven hundred seventy-two thousand, three hundred sixty-one".