22444221452015 has 128 divisors (see below), whose sum is σ = 32037020467200. Its totient is φ = 14928465024000.

The previous prime is 22444221451999. The next prime is 22444221452057. The reversal of 22444221452015 is 51025412244422.

It is not a de Polignac number, because 22444221452015 - 2⁴ = 22444221451999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22444221452015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1012860506 + ... + 1012882664.

It is an arithmetic number, because the mean of its divisors is an integer number (250289222400).

Almost surely, 2^{22444221452015} is an apocalyptic number.

22444221452015 is a deficient number, since it is larger than the sum of its proper divisors (9592799015185).

22444221452015 is a wasteful number, since it uses less digits than its factorization.

22444221452015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22629.

The product of its (nonzero) digits is 204800, while the sum is 38.

Adding to 22444221452015 its reverse (51025412244422), we get a palindrome (73469633696437).

The spelling of 22444221452015 in words is "twenty-two trillion, four hundred forty-four billion, two hundred twenty-one million, four hundred fifty-two thousand, fifteen".