22520104489 has 3 divisors (see below), whose sum is σ = 22520254557. Its totient is φ = 22519954422.

The previous prime is 22520104487. The next prime is 22520104547. The reversal of 22520104489 is 98440102522.

The square root of 22520104489 is 150067.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 22520104489 - 2¹ = 22520104487 is a prime.

It is a super-2 number, since 2×22520104489² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22520104487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75034 + ... + 225100.

It is an arithmetic number, because the mean of its divisors is an integer number (7506751519).

Almost surely, 2^22520104489 is an apocalyptic number.

22520104489 is the 150067-th square number.

22520104489 is the 75034-th centered octagonal number.

It is an amenable number.

22520104489 is a deficient number, since it is larger than the sum of its proper divisors (150068).

22520104489 is an frugal number, since it uses more digits than its factorization.

22520104489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300134 (or 150067 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 22520104489 in words is "twenty-two billion, five hundred twenty million, one hundred four thousand, four hundred eighty-nine".