22340228 has 12 divisors (see below), whose sum is σ = 39927552. Its totient is φ = 10932360.

The previous prime is 22340161. The next prime is 22340249. The reversal of 22340228 is 82204322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59228 + ... + 59603.

It is an arithmetic number, because the mean of its divisors is an integer number (3327296).

Almost surely, 2^22340228 is an apocalyptic number.

It is an amenable number.

22340228 is a deficient number, since it is larger than the sum of its proper divisors (17587324).

22340228 is a wasteful number, since it uses less digits than its factorization.

22340228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118882 (or 118880 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22340228 is about 4726.5450383975. The cubic root of 22340228 is about 281.6409931122.

The spelling of 22340228 in words is "twenty-two million, three hundred forty thousand, two hundred twenty-eight".