22494300361 has 27 divisors (see below), whose sum is σ = 24833384199. Its totient is φ = 20366219952.

The previous prime is 22494300359. The next prime is 22494300379. The reversal of 22494300361 is 16300349422.

It is a happy number.

The square root of 22494300361 is 149981.

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., 3327559225 + 19166741136 = 57685^2 + 138444^2 .

It is not a de Polignac number, because 22494300361 - 2¹ = 22494300359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22494300761) 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 26 ways as a sum of consecutive naturals, for example, 161829430 + ... + 161829568.

Almost surely, 2^22494300361 is an apocalyptic number.

22494300361 is the 149981-st square number.

22494300361 is the 74991-st centered octagonal number.

It is an amenable number.

22494300361 is a deficient number, since it is larger than the sum of its proper divisors (2339083838).

22494300361 is an frugal number, since it uses more digits than its factorization.

22494300361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 22494300361 its reverse (16300349422), we get a palindrome (38794649783).

The spelling of 22494300361 in words is "twenty-two billion, four hundred ninety-four million, three hundred thousand, three hundred sixty-one".