22530621540340 has 12 divisors (see below), whose sum is σ = 47314305234756. Its totient is φ = 9012248616128.

The previous prime is 22530621540337. The next prime is 22530621540407. The reversal of 22530621540340 is 4304512603522.

It can be written as a sum of positive squares in 2 ways, for example, as 3181778332516 + 19348843207824 = 1783754^2 + 4398732^2 .

It is a super-3 number, since 3×22530621540340³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22530621540340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563265538489 + ... + 563265538528.

It is an arithmetic number, because the mean of its divisors is an integer number (3942858769563).

Almost surely, 2^{22530621540340} is an apocalyptic number.

22530621540340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22530621540340 is an abundant number, since it is smaller than the sum of its proper divisors (24783683694416).

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

22530621540340 is a wasteful number, since it uses less digits than its factorization.

22530621540340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126531077026 (or 1126531077024 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 22530621540340 in words is "twenty-two trillion, five hundred thirty billion, six hundred twenty-one million, five hundred forty thousand, three hundred forty".