22540511530 has 8 divisors (see below), whose sum is σ = 40572920772. Its totient is φ = 9016204608.

The previous prime is 22540511507. The next prime is 22540511537. The reversal of 22540511530 is 3511504522.

It can be written as a sum of positive squares in 2 ways, for example, as 22514102209 + 26409321 = 150047^2 + 5139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22540511537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127025567 + ... + 1127025586.

Almost surely, 2^22540511530 is an apocalyptic number.

22540511530 is a deficient number, since it is larger than the sum of its proper divisors (18032409242).

22540511530 is a wasteful number, since it uses less digits than its factorization.

22540511530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254051160.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 22540511530 in words is "twenty-two billion, five hundred forty million, five hundred eleven thousand, five hundred thirty".