22127752516 has 9 divisors (see below), whose sum is σ = 38724087549. Its totient is φ = 11063727504.

The previous prime is 22127752513. The next prime is 22127752519. The reversal of 22127752516 is 61525772122.

The square root of 22127752516 is 148754.

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

It is an interprime number because it is at equal distance from previous prime (22127752513) and next prime (22127752519).

It can be written as a sum of positive squares in only one way, i.e., 313644100 + 21814108416 = 17710^2 + 147696^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22127752511) 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, 260320 + ... + 334696.

Almost surely, 2^22127752516 is an apocalyptic number.

22127752516 is the 148754-th square number.

It is an amenable number.

22127752516 is a deficient number, since it is larger than the sum of its proper divisors (16596335033).

22127752516 is an frugal number, since it uses more digits than its factorization.

22127752516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148758 (or 74379 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The spelling of 22127752516 in words is "twenty-two billion, one hundred twenty-seven million, seven hundred fifty-two thousand, five hundred sixteen".