2125164222 has 32 divisors (see below), whose sum is σ = 4739427360. Its totient is φ = 705862080.

The previous prime is 2125164199. The next prime is 2125164257. The reversal of 2125164222 is 2224615212.

2125164222 is a `hidden beast` number, since 2 + 12 + 5 + 1 + 642 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 54853 + ... + 85200.

It is an arithmetic number, because the mean of its divisors is an integer number (148107105).

Almost surely, 2^2125164222 is an apocalyptic number.

2125164222 is an abundant number, since it is smaller than the sum of its proper divisors (2614263138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125164222 is a wasteful number, since it uses less digits than its factorization.

2125164222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140345 (or 140339 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2125164222 is about 46099.5034897340. The cubic root of 2125164222 is about 1285.6739129862.

Adding to 2125164222 its reverse (2224615212), we get a palindrome (4349779434).

The spelling of 2125164222 in words is "two billion, one hundred twenty-five million, one hundred sixty-four thousand, two hundred twenty-two".