25322201223145 has 16 divisors (see below), whose sum is σ = 30432958079040. Its totient is φ = 20226887755200.

The previous prime is 25322201223113. The next prime is 25322201223247. The reversal of 25322201223145 is 54132210222352.

It is not a de Polignac number, because 25322201223145 - 2⁵ = 25322201223113 is a prime.

It is a super-2 number, since 2×25322201223145² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25322201223145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45707250 + ... + 46257940.

It is an arithmetic number, because the mean of its divisors is an integer number (1902059879940).

Almost surely, 2^{25322201223145} is an apocalyptic number.

It is an amenable number.

25322201223145 is a deficient number, since it is larger than the sum of its proper divisors (5110756855895).

25322201223145 is a wasteful number, since it uses less digits than its factorization.

25322201223145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564696.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 25322201223145 its reverse (54132210222352), we get a palindrome (79454411445497).

The spelling of 25322201223145 in words is "twenty-five trillion, three hundred twenty-two billion, two hundred one million, two hundred twenty-three thousand, one hundred forty-five".