22135338 has 48 divisors (see below), whose sum is σ = 50558976. Its totient is φ = 6985440.

The previous prime is 22135327. The next prime is 22135339. The reversal of 22135338 is 83353122.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22135339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52368 + ... + 52788.

It is an arithmetic number, because the mean of its divisors is an integer number (1053312).

Almost surely, 2^22135338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22135338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25279488).

22135338 is an abundant number, since it is smaller than the sum of its proper divisors (28423638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22135338 is a wasteful number, since it uses less digits than its factorization.

22135338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22135338 is about 4704.8207192198. The cubic root of 22135338 is about 280.7773382496. Note that the first 3 decimals are identical.

The spelling of 22135338 in words is "twenty-two million, one hundred thirty-five thousand, three hundred thirty-eight".