22325228 has 24 divisors (see below), whose sum is σ = 41395200. Its totient is φ = 10505808.

The previous prime is 22325227. The next prime is 22325231. The reversal of 22325228 is 82252322.

It is a super-3 number, since 3×22325228³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22325197 and 22325206.

It is not an unprimeable number, because it can be changed into a prime (22325227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11813 + ... + 13571.

It is an arithmetic number, because the mean of its divisors is an integer number (1724800).

Almost surely, 2^22325228 is an apocalyptic number.

It is an amenable number.

22325228 is a deficient number, since it is larger than the sum of its proper divisors (19069972).

22325228 is a wasteful number, since it uses less digits than its factorization.

22325228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 22325228 is about 4724.9579892312. The cubic root of 22325228 is about 281.5779445052.

The spelling of 22325228 in words is "twenty-two million, three hundred twenty-five thousand, two hundred twenty-eight".