22125145351145 has 16 divisors (see below), whose sum is σ = 26617240373520. Its totient is φ = 17655412644864.

The previous prime is 22125145351063. The next prime is 22125145351181. The reversal of 22125145351145 is 54115354152122.

It can be written as a sum of positive squares in 8 ways, for example, as 3052106832784 + 19073038518361 = 1747028^2 + 4367269^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125145351145 - 2²² = 22125141156841 is a prime.

It is a super-2 number, since 2×22125145351145² (a number of 27 digits) contains 22 as substring.

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, 25239947 + ... + 26101823.

It is an arithmetic number, because the mean of its divisors is an integer number (1663577523345).

Almost surely, 2^{22125145351145} is an apocalyptic number.

It is an amenable number.

22125145351145 is a deficient number, since it is larger than the sum of its proper divisors (4492095022375).

22125145351145 is a wasteful number, since it uses less digits than its factorization.

22125145351145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874844.

The product of its digits is 240000, while the sum is 41.

The spelling of 22125145351145 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred forty-five million, three hundred fifty-one thousand, one hundred forty-five".