22801489 has 2 divisors, whose sum is σ = 22801490. Its totient is φ = 22801488.

The previous prime is 22801483. The next prime is 22801531. The reversal of 22801489 is 98410822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20793600 + 2007889 = 4560^2 + 1417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22801489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22801483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11400744 + 11400745.

It is an arithmetic number, because the mean of its divisors is an integer number (11400745).

Almost surely, 2^22801489 is an apocalyptic number.

It is an amenable number.

22801489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22801489 is an equidigital number, since it uses as much as digits as its factorization.

22801489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 22801489 is about 4775.0904703471. The cubic root of 22801489 is about 283.5661604882.

The spelling of 22801489 in words is "twenty-two million, eight hundred one thousand, four hundred eighty-nine".