22513684380 has 192 divisors, whose sum is σ = 70487359488. Its totient is φ = 5323127040.

The previous prime is 22513684379. The next prime is 22513684381. The reversal of 22513684380 is 8348631522.

It is an interprime number because it is at equal distance from previous prime (22513684379) and next prime (22513684381).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22513684381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4552189 + ... + 4557131.

It is an arithmetic number, because the mean of its divisors is an integer number (367121664).

Almost surely, 2^22513684380 is an apocalyptic number.

22513684380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22513684380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35243679744).

22513684380 is an abundant number, since it is smaller than the sum of its proper divisors (47973675108).

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

22513684380 is a wasteful number, since it uses less digits than its factorization.

22513684380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136 (or 5134 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 22513684380 in words is "twenty-two billion, five hundred thirteen million, six hundred eighty-four thousand, three hundred eighty".