22998361 has 2 divisors, whose sum is σ = 22998362. Its totient is φ = 22998360.

The previous prime is 22998359. The next prime is 22998383. The reversal of 22998361 is 16389922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17799961 + 5198400 = 4219^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22998361 - 2¹ = 22998359 is a prime.

Together with 22998359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22998461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11499180 + 11499181.

It is an arithmetic number, because the mean of its divisors is an integer number (11499181).

Almost surely, 2^22998361 is an apocalyptic number.

It is an amenable number.

22998361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22998361 is an equidigital number, since it uses as much as digits as its factorization.

22998361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 22998361 is about 4795.6606427061. The cubic root of 22998361 is about 284.3799426102.

The spelling of 22998361 in words is "twenty-two million, nine hundred ninety-eight thousand, three hundred sixty-one".