2122251146 has 16 divisors (see below), whose sum is σ = 3323370600. Its totient is φ = 1015132608.

The previous prime is 2122251139. The next prime is 2122251167. The reversal of 2122251146 is 6411522212.

It can be written as a sum of positive squares in 4 ways, for example, as 1362421921 + 759829225 = 36911^2 + 27565^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161525 + ... + 174168.

Almost surely, 2^2122251146 is an apocalyptic number.

2122251146 is a deficient number, since it is larger than the sum of its proper divisors (1201119454).

2122251146 is a wasteful number, since it uses less digits than its factorization.

2122251146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335833.

The product of its digits is 1920, while the sum is 26.

The square root of 2122251146 is about 46067.8971302142. The cubic root of 2122251146 is about 1285.0861970874.

Adding to 2122251146 its reverse (6411522212), we get a palindrome (8533773358).

The spelling of 2122251146 in words is "two billion, one hundred twenty-two million, two hundred fifty-one thousand, one hundred forty-six".