22801615 has 8 divisors (see below), whose sum is σ = 28802160. Its totient is φ = 17281152.

The previous prime is 22801609. The next prime is 22801661. The reversal of 22801615 is 51610822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22801615 - 2¹⁵ = 22768847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22801615.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 119914 + ... + 120103.

It is an arithmetic number, because the mean of its divisors is an integer number (3600270).

Almost surely, 2^22801615 is an apocalyptic number.

22801615 is a deficient number, since it is larger than the sum of its proper divisors (6000545).

22801615 is a wasteful number, since it uses less digits than its factorization.

22801615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240041.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 22801615 is about 4775.1036637962. The cubic root of 22801615 is about 283.5666828118.

The spelling of 22801615 in words is "twenty-two million, eight hundred one thousand, six hundred fifteen".