22315520531140 has 24 divisors (see below), whose sum is σ = 46865316982680. Its totient is φ = 8925689380608.

The previous prime is 22315520531137. The next prime is 22315520531141. The reversal of 22315520531140 is 4113502551322.

It can be written as a sum of positive squares in 4 ways, for example, as 260418337344 + 22055102193796 = 510312^2 + 4696286^2 .

It is a super-3 number, since 3×22315520531140³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22315520531096 and 22315520531105.

It is not an unprimeable number, because it can be changed into a prime (22315520531141) 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, 32074207 + ... + 32762566.

It is an arithmetic number, because the mean of its divisors is an integer number (1952721540945).

Almost surely, 2^{22315520531140} is an apocalyptic number.

22315520531140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22315520531140 is an abundant number, since it is smaller than the sum of its proper divisors (24549796451540).

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

22315520531140 is a wasteful number, since it uses less digits than its factorization.

22315520531140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64853991 (or 64853989 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 22315520531140 in words is "twenty-two trillion, three hundred fifteen billion, five hundred twenty million, five hundred thirty-one thousand, one hundred forty".