722131051 has 2 divisors, whose sum is σ = 722131052. Its totient is φ = 722131050.

The previous prime is 722131037. The next prime is 722131057. The reversal of 722131051 is 150131227.

It is a happy number.

722131051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (150131227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722131051 - 2¹³ = 722122859 is a prime.

It is not a weakly prime, because it can be changed into another prime (722131057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361065525 + 361065526.

It is an arithmetic number, because the mean of its divisors is an integer number (361065526).

Almost surely, 2^722131051 is an apocalyptic number.

722131051 is a deficient number, since it is larger than the sum of its proper divisors (1).

722131051 is an equidigital number, since it uses as much as digits as its factorization.

722131051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 722131051 is about 26872.4961810398. The cubic root of 722131051 is about 897.1643470356.

Adding to 722131051 its reverse (150131227), we get a palindrome (872262278).

The spelling of 722131051 in words is "seven hundred twenty-two million, one hundred thirty-one thousand, fifty-one".