22514554540 has 24 divisors (see below), whose sum is σ = 47286232560. Its totient is φ = 9004742208.

The previous prime is 22514554487. The next prime is 22514554541. The reversal of 22514554540 is 4545541522.

It is a super-2 number, since 2×22514554540² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22514554540.

It is not an unprimeable number, because it can be changed into a prime (22514554541) 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, 115651 + ... + 241669.

It is an arithmetic number, because the mean of its divisors is an integer number (1970259690).

Almost surely, 2^22514554540 is an apocalyptic number.

22514554540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22514554540 is an abundant number, since it is smaller than the sum of its proper divisors (24771678020).

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

22514554540 is a wasteful number, since it uses less digits than its factorization.

22514554540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134961 (or 134959 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 22514554540 in words is "twenty-two billion, five hundred fourteen million, five hundred fifty-four thousand, five hundred forty".