22295040 has 80 divisors (see below), whose sum is σ = 71299008. Its totient is φ = 5943296.

The previous prime is 22295011. The next prime is 22295051. The reversal of 22295040 is 4059222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22295040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6229 + ... + 9131.

Almost surely, 2^22295040 is an apocalyptic number.

22295040 is a gapful number since it is divisible by the number (20) 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 22295040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35649504).

22295040 is an abundant number, since it is smaller than the sum of its proper divisors (49003968).

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

22295040 is an equidigital number, since it uses as much as digits as its factorization.

22295040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22295040 is about 4721.7623828397. The cubic root of 22295040 is about 281.4509714204.

The spelling of 22295040 in words is "twenty-two million, two hundred ninety-five thousand, forty".