22722283 has 4 divisors (see below), whose sum is σ = 23505840. Its totient is φ = 21938728.

The previous prime is 22722263. The next prime is 22722299. The reversal of 22722283 is 38222722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22722283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22722223) 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, 391735 + ... + 391792.

It is an arithmetic number, because the mean of its divisors is an integer number (5876460).

Almost surely, 2^22722283 is an apocalyptic number.

22722283 is a deficient number, since it is larger than the sum of its proper divisors (783557).

22722283 is an equidigital number, since it uses as much as digits as its factorization.

22722283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783556.

The product of its digits is 5376, while the sum is 28.

The square root of 22722283 is about 4766.7895904896. The cubic root of 22722283 is about 283.2374363661.

It can be divided in two parts, 22722 and 283, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22722283 in words is "twenty-two million, seven hundred twenty-two thousand, two hundred eighty-three".