22144051525401 has 24 divisors (see below), whose sum is σ = 34491567035016. Its totient is φ = 13609201731840.

The previous prime is 22144051525397. The next prime is 22144051525457. The reversal of 22144051525401 is 10452515044122.

22144051525401 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 40 + 51 + 525 + 40 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4844907243225 + 17299144282176 = 2201115^2 + 4159224^2 .

It is not a de Polignac number, because 22144051525401 - 2² = 22144051525397 is a prime.

It is a super-2 number, since 2×22144051525401² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22144051523401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124264050 + ... + 124442123.

It is an arithmetic number, because the mean of its divisors is an integer number (1437148626459).

Almost surely, 2^{22144051525401} is an apocalyptic number.

It is an amenable number.

22144051525401 is a deficient number, since it is larger than the sum of its proper divisors (12347515509615).

22144051525401 is a wasteful number, since it uses less digits than its factorization.

22144051525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248706953 (or 248706950 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 22144051525401 its reverse (10452515044122), we get a palindrome (32596566569523).

The spelling of 22144051525401 in words is "twenty-two trillion, one hundred forty-four billion, fifty-one million, five hundred twenty-five thousand, four hundred one".