22405737140 has 24 divisors (see below), whose sum is σ = 47055225672. Its totient is φ = 8961689600.

The previous prime is 22405737097. The next prime is 22405737149. The reversal of 22405737140 is 4173750422.

It can be written as a sum of positive squares in 4 ways, for example, as 4128319504 + 18277417636 = 64252^2 + 135194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22405737140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22405737149) 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, 376292 + ... + 431748.

It is an arithmetic number, because the mean of its divisors is an integer number (1960634403).

Almost surely, 2^22405737140 is an apocalyptic number.

22405737140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22405737140 is an abundant number, since it is smaller than the sum of its proper divisors (24649488532).

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

22405737140 is a wasteful number, since it uses less digits than its factorization.

22405737140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75667 (or 75665 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 22405737140 in words is "twenty-two billion, four hundred five million, seven hundred thirty-seven thousand, one hundred forty".