22135488 has 56 divisors (see below), whose sum is σ = 60472320. Its totient is φ = 7138560.

The previous prime is 22135481. The next prime is 22135493. The reversal of 22135488 is 88453122.

It is not an unprimeable number, because it can be changed into a prime (22135481) 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, 4093 + ... + 7811.

Almost surely, 2^22135488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22135488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30236160).

22135488 is an abundant number, since it is smaller than the sum of its proper divisors (38336832).

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

22135488 is a wasteful number, since it uses less digits than its factorization.

22135488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765 (or 3755 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 22135488 is about 4704.8366602891. The cubic root of 22135488 is about 280.7779724768. Note that the first 3 decimals are identical.

The spelling of 22135488 in words is "twenty-two million, one hundred thirty-five thousand, four hundred eighty-eight".