1255422122 has 16 divisors (see below), whose sum is σ = 1967365800. Its totient is φ = 600062400.

The previous prime is 1255422121. The next prime is 1255422167. The reversal of 1255422122 is 2212245521.

It can be written as a sum of positive squares in 4 ways, for example, as 1057485361 + 197936761 = 32519^2 + 14069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1255422091 and 1255422100.

It is not an unprimeable number, because it can be changed into a prime (1255422121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101297 + ... + 113012.

Almost surely, 2^1255422122 is an apocalyptic number.

1255422122 is a deficient number, since it is larger than the sum of its proper divisors (711943678).

1255422122 is a wasteful number, since it uses less digits than its factorization.

1255422122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214441.

The product of its digits is 3200, while the sum is 26.

The square root of 1255422122 is about 35431.9364698008. The cubic root of 1255422122 is about 1078.7726460678.

Adding to 1255422122 its reverse (2212245521), we get a palindrome (3467667643).

The spelling of 1255422122 in words is "one billion, two hundred fifty-five million, four hundred twenty-two thousand, one hundred twenty-two".