22069388 has 12 divisors (see below), whose sum is σ = 42132552. Its totient is φ = 10031520.

The previous prime is 22069387. The next prime is 22069391. The reversal of 22069388 is 88396022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22069381) 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, 250745 + ... + 250832.

It is an arithmetic number, because the mean of its divisors is an integer number (3511046).

Almost surely, 2^22069388 is an apocalyptic number.

It is an amenable number.

22069388 is a deficient number, since it is larger than the sum of its proper divisors (20063164).

22069388 is a wasteful number, since it uses less digits than its factorization.

22069388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501592 (or 501590 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22069388 is about 4697.8067222907. The cubic root of 22069388 is about 280.4982116321.

The spelling of 22069388 in words is "twenty-two million, sixty-nine thousand, three hundred eighty-eight".