22422403140 has 24 divisors (see below), whose sum is σ = 62782728960. Its totient is φ = 5979307488.

The previous prime is 22422403109. The next prime is 22422403151. The reversal of 22422403140 is 4130422422.

It is a self number, because there is not a number n which added to its sum of digits gives 22422403140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186853300 + ... + 186853419.

It is an arithmetic number, because the mean of its divisors is an integer number (2615947040).

Almost surely, 2^22422403140 is an apocalyptic number.

22422403140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422403140 is an abundant number, since it is smaller than the sum of its proper divisors (40360325820).

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

22422403140 is a wasteful number, since it uses less digits than its factorization.

22422403140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373706731 (or 373706729 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22422403140 its reverse (4130422422), we get a palindrome (26552825562).

The spelling of 22422403140 in words is "twenty-two billion, four hundred twenty-two million, four hundred three thousand, one hundred forty".