2122522144 has 12 divisors (see below), whose sum is σ = 4178715534. Its totient is φ = 1061261056.

The previous prime is 2122522141. The next prime is 2122522159. The reversal of 2122522144 is 4412252212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1611219600 + 511302544 = 40140^2 + 22612^2 .

It is not an unprimeable number, because it can be changed into a prime (2122522141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33164377 + ... + 33164440.

Almost surely, 2^2122522144 is an apocalyptic number.

It is an amenable number.

2122522144 is a deficient number, since it is larger than the sum of its proper divisors (2056193390).

2122522144 is an equidigital number, since it uses as much as digits as its factorization.

2122522144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66328827 (or 66328819 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 2122522144 is about 46070.8383253442. The cubic root of 2122522144 is about 1285.1408938760.

Adding to 2122522144 its reverse (4412252212), we get a palindrome (6534774356).

The spelling of 2122522144 in words is "two billion, one hundred twenty-two million, five hundred twenty-two thousand, one hundred forty-four".