22449227 has 4 divisors (see below), whose sum is σ = 22460040. Its totient is φ = 22438416.

The previous prime is 22449209. The next prime is 22449233. The reversal of 22449227 is 72294422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72294422 = 2 ⋅36147211.

It is a cyclic number.

It is not a de Polignac number, because 22449227 - 2²⁴ = 5672011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22449193 and 22449202.

It is not an unprimeable number, because it can be changed into a prime (22449247) 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, 1202 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (5615010).

Almost surely, 2^22449227 is an apocalyptic number.

22449227 is a deficient number, since it is larger than the sum of its proper divisors (10813).

22449227 is an equidigital number, since it uses as much as digits as its factorization.

22449227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812.

The product of its digits is 16128, while the sum is 32.

The square root of 22449227 is about 4738.0615234503. The cubic root of 22449227 is about 282.0982966350.

The spelling of 22449227 in words is "twenty-two million, four hundred forty-nine thousand, two hundred twenty-seven".