7256291226 has 16 divisors (see below), whose sum is σ = 14616991200. Its totient is φ = 2401362288.

The previous prime is 7256291221. The next prime is 7256291227. The reversal of 7256291226 is 6221926527.

It is not an unprimeable number, because it can be changed into a prime (7256291221) 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, 4349461 + ... + 4351128.

It is an arithmetic number, because the mean of its divisors is an integer number (913561950).

Almost surely, 2^7256291226 is an apocalyptic number.

7256291226 is an abundant number, since it is smaller than the sum of its proper divisors (7360699974).

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

7256291226 is a wasteful number, since it uses less digits than its factorization.

7256291226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700733.

The product of its digits is 181440, while the sum is 42.

The square root of 7256291226 is about 85183.8671697875. The cubic root of 7256291226 is about 1935.9979874205.

The spelling of 7256291226 in words is "seven billion, two hundred fifty-six million, two hundred ninety-one thousand, two hundred twenty-six".