22801513 has 6 divisors (see below), whose sum is σ = 26524266. Its totient is φ = 19544112.

The previous prime is 22801489. The next prime is 22801531. The reversal of 22801513 is 31510822.

It can be written as a sum of positive squares in only one way, i.e., 19386409 + 3415104 = 4403^2 + 1848^2 .

It is not a de Polignac number, because 22801513 - 2⁹ = 22801001 is a prime.

It is a super-4 number, since 4×22801513⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22801313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232620 + ... + 232717.

It is an arithmetic number, because the mean of its divisors is an integer number (4420711).

Almost surely, 2^22801513 is an apocalyptic number.

It is an amenable number.

22801513 is a deficient number, since it is larger than the sum of its proper divisors (3722753).

22801513 is an equidigital number, since it uses as much as digits as its factorization.

22801513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465351 (or 465344 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 22801513 is about 4775.0929833879. The cubic root of 22801513 is about 283.5662599786.

The spelling of 22801513 in words is "twenty-two million, eight hundred one thousand, five hundred thirteen".