22401125740 has 24 divisors (see below), whose sum is σ = 53762702112. Its totient is φ = 7680385920.

The previous prime is 22401125731. The next prime is 22401125741. The reversal of 22401125740 is 4752110422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 22401125699 and 22401125708.

It is not an unprimeable number, because it can be changed into a prime (22401125741) 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, 80003881 + ... + 80004160.

It is an arithmetic number, because the mean of its divisors is an integer number (2240112588).

Almost surely, 2^22401125740 is an apocalyptic number.

22401125740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22401125740 is an abundant number, since it is smaller than the sum of its proper divisors (31361576372).

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

22401125740 is a wasteful number, since it uses less digits than its factorization.

22401125740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160008057 (or 160008055 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 22401125740 in words is "twenty-two billion, four hundred one million, one hundred twenty-five thousand, seven hundred forty".