22521514340 has 96 divisors (see below), whose sum is σ = 54293568000. Its totient is φ = 7778115072.

The previous prime is 22521514339. The next prime is 22521514357. The reversal of 22521514340 is 4341512522.

It is a super-3 number, since 3×22521514340³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361406 + ... + 419114.

It is an arithmetic number, because the mean of its divisors is an integer number (565558000).

Almost surely, 2^22521514340 is an apocalyptic number.

22521514340 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 22521514340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27146784000).

22521514340 is an abundant number, since it is smaller than the sum of its proper divisors (31772053660).

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

22521514340 is a wasteful number, since it uses less digits than its factorization.

22521514340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57829 (or 57827 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 22521514340 in words is "twenty-two billion, five hundred twenty-one million, five hundred fourteen thousand, three hundred forty".