22122049 has 4 divisors (see below), whose sum is σ = 23423364. Its totient is φ = 20820736.

The previous prime is 22122047. The next prime is 22122053. The reversal of 22122049 is 94022122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7924225 + 14197824 = 2815^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122049 - 2¹ = 22122047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122043) 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, 650632 + ... + 650665.

It is an arithmetic number, because the mean of its divisors is an integer number (5855841).

Almost surely, 2^22122049 is an apocalyptic number.

It is an amenable number.

22122049 is a deficient number, since it is larger than the sum of its proper divisors (1301315).

22122049 is a wasteful number, since it uses less digits than its factorization.

22122049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301314.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22122049 is about 4703.4082323354. The cubic root of 22122049 is about 280.7211385658.

The spelling of 22122049 in words is "twenty-two million, one hundred twenty-two thousand, forty-nine".