22409547380 has 24 divisors (see below), whose sum is σ = 51338236320. Its totient is φ = 8148926240.

The previous prime is 22409547353. The next prime is 22409547389. The reversal of 22409547380 is 8374590422.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22409547389) 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, 50930570 + ... + 50931009.

It is an arithmetic number, because the mean of its divisors is an integer number (2139093180).

Almost surely, 2^22409547380 is an apocalyptic number.

22409547380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22409547380 is an abundant number, since it is smaller than the sum of its proper divisors (28928688940).

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

22409547380 is a wasteful number, since it uses less digits than its factorization.

22409547380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101861599 (or 101861597 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 22409547380 in words is "twenty-two billion, four hundred nine million, five hundred forty-seven thousand, three hundred eighty".