22227388 has 12 divisors (see below), whose sum is σ = 39802840. Its totient is φ = 10855152.

The previous prime is 22227383. The next prime is 22227391. The reversal of 22227388 is 88372222.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22227383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64443 + ... + 64786.

Almost surely, 2^22227388 is an apocalyptic number.

It is an amenable number.

22227388 is a deficient number, since it is larger than the sum of its proper divisors (17575452).

22227388 is a wasteful number, since it uses less digits than its factorization.

22227388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129276 (or 129274 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 22227388 is about 4714.5930895465. The cubic root of 22227388 is about 281.1660050080.

The spelling of 22227388 in words is "twenty-two million, two hundred twenty-seven thousand, three hundred eighty-eight".