22420880240 has 80 divisors (see below), whose sum is σ = 59340059136. Its totient is φ = 7798560000.

The previous prime is 22420880239. The next prime is 22420880243. The reversal of 22420880240 is 4208802422.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22420880197 and 22420880206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420880243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533636 + ... + 574115.

Almost surely, 2^22420880240 is an apocalyptic number.

22420880240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22420880240 is an abundant number, since it is smaller than the sum of its proper divisors (36919178896).

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

22420880240 is a wasteful number, since it uses less digits than its factorization.

22420880240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107798 (or 1107792 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

It can be divided in two parts, 2 and 2420880240, that added together give a palindrome (2420880242).

The spelling of 22420880240 in words is "twenty-two billion, four hundred twenty million, eight hundred eighty thousand, two hundred forty".