22264149 has 4 divisors (see below), whose sum is σ = 29685536. Its totient is φ = 14842764.

The previous prime is 22264147. The next prime is 22264159. The reversal of 22264149 is 94146222.

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 not a de Polignac number, because 22264149 - 2¹ = 22264147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22264147) 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, 3710689 + ... + 3710694.

It is an arithmetic number, because the mean of its divisors is an integer number (7421384).

Almost surely, 2^22264149 is an apocalyptic number.

It is an amenable number.

22264149 is a deficient number, since it is larger than the sum of its proper divisors (7421387).

22264149 is an equidigital number, since it uses as much as digits as its factorization.

22264149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421386.

The product of its digits is 6912, while the sum is 30.

The square root of 22264149 is about 4718.4901186714. The cubic root of 22264149 is about 281.3209227559.

The spelling of 22264149 in words is "twenty-two million, two hundred sixty-four thousand, one hundred forty-nine".