22040088 has 64 divisors (see below), whose sum is σ = 63528960. Its totient is φ = 6241536.

The previous prime is 22040071. The next prime is 22040107. The reversal of 22040088 is 88004022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20820 + ... + 21852.

It is an arithmetic number, because the mean of its divisors is an integer number (992640).

Almost surely, 2^22040088 is an apocalyptic number.

22040088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22040088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31764480).

22040088 is an abundant number, since it is smaller than the sum of its proper divisors (41488872).

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

22040088 is a wasteful number, since it uses less digits than its factorization.

22040088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 22040088 is about 4694.6872100279. The cubic root of 22040088 is about 280.3740239659.

The spelling of 22040088 in words is "twenty-two million, forty thousand, eighty-eight".