22149224 has 16 divisors (see below), whose sum is σ = 41580000. Its totient is φ = 11061232.

The previous prime is 22149217. The next prime is 22149227. The reversal of 22149224 is 42294122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22149193 and 22149202.

It is not an unprimeable number, because it can be changed into a prime (22149227) 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, 11069 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (2598750).

Almost surely, 2^22149224 is an apocalyptic number.

It is an amenable number.

22149224 is a deficient number, since it is larger than the sum of its proper divisors (19430776).

22149224 is a wasteful number, since it uses less digits than its factorization.

22149224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3348 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 22149224 is about 4706.2962082725. The cubic root of 22149224 is about 280.8360386426.

The spelling of 22149224 in words is "twenty-two million, one hundred forty-nine thousand, two hundred twenty-four".