722137051 has 2 divisors, whose sum is σ = 722137052. Its totient is φ = 722137050.

The previous prime is 722137037. The next prime is 722137057. The reversal of 722137051 is 150731227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722137051 - 2⁵ = 722137019 is a prime.

It is not a weakly prime, because it can be changed into another prime (722137057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361068525 + 361068526.

It is an arithmetic number, because the mean of its divisors is an integer number (361068526).

Almost surely, 2^722137051 is an apocalyptic number.

722137051 is a deficient number, since it is larger than the sum of its proper divisors (1).

722137051 is an equidigital number, since it uses as much as digits as its factorization.

722137051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 722137051 is about 26872.6078191157. The cubic root of 722137051 is about 897.1668317975.

Adding to 722137051 its reverse (150731227), we get a palindrome (872868278).

The spelling of 722137051 in words is "seven hundred twenty-two million, one hundred thirty-seven thousand, fifty-one".