22694333516449 has 27 divisors (see below), whose sum is σ = 26466381980787. Its totient is φ = 19403151450144.

The previous prime is 22694333516441. The next prime is 22694333516453. The reversal of 22694333516449 is 94461533349622.

The square root of 22694333516449 is 4763857.

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

It can be written as a sum of positive squares in only one way, i.e., 657242597025 + 22037090919424 = 810705^2 + 4694368^2 .

It is not a de Polignac number, because 22694333516449 - 2³ = 22694333516441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22694333516441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20575097832 + ... + 20575098934.

Almost surely, 2^{22694333516449} is an apocalyptic number.

22694333516449 is the 4763857-th square number.

22694333516449 is the 2381929-th centered octagonal number.

It is an amenable number.

22694333516449 is a deficient number, since it is larger than the sum of its proper divisors (3772048464338).

22694333516449 is an frugal number, since it uses more digits than its factorization.

22694333516449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454 (or 1727 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 61.

The spelling of 22694333516449 in words is "twenty-two trillion, six hundred ninety-four billion, three hundred thirty-three million, five hundred sixteen thousand, four hundred forty-nine".