1255922722 has 4 divisors (see below), whose sum is σ = 1883884086. Its totient is φ = 627961360.

The previous prime is 1255922711. The next prime is 1255922741. The reversal of 1255922722 is 2272295521.

It is a Cunningham number, because it is equal to 35439²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1255922721 + 1 = 35439^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313980679 + ... + 313980682.

Almost surely, 2^1255922722 is an apocalyptic number.

1255922722 is a deficient number, since it is larger than the sum of its proper divisors (627961364).

1255922722 is an equidigital number, since it uses as much as digits as its factorization.

1255922722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627961363.

The product of its digits is 50400, while the sum is 37.

The square root of 1255922722 is about 35439.0000141088. Note that the first 4 decimals coincide. The cubic root of 1255922722 is about 1078.9160140005.

The spelling of 1255922722 in words is "one billion, two hundred fifty-five million, nine hundred twenty-two thousand, seven hundred twenty-two".