22484228 has 12 divisors (see below), whose sum is σ = 42374220. Its totient is φ = 10377312.

The previous prime is 22484221. The next prime is 22484233. The reversal of 22484228 is 82248422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13675204 + 8809024 = 3698^2 + 2968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22484194 and 22484203.

It is not an unprimeable number, because it can be changed into a prime (22484221) 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, 216143 + ... + 216246.

It is an arithmetic number, because the mean of its divisors is an integer number (3531185).

Almost surely, 2^22484228 is an apocalyptic number.

It is an amenable number.

22484228 is a deficient number, since it is larger than the sum of its proper divisors (19889992).

22484228 is a wasteful number, since it uses less digits than its factorization.

22484228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432406 (or 432404 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 22484228 is about 4741.7536840287. The cubic root of 22484228 is about 282.2448287106.

The spelling of 22484228 in words is "twenty-two million, four hundred eighty-four thousand, two hundred twenty-eight".