4722310781 has 2 divisors, whose sum is σ = 4722310782. Its totient is φ = 4722310780.

The previous prime is 4722310763. The next prime is 4722310799. The reversal of 4722310781 is 1870132274.

It is a balanced prime because it is at equal distance from previous prime (4722310763) and next prime (4722310799).

It can be written as a sum of positive squares in only one way, i.e., 2823965881 + 1898344900 = 53141^2 + 43570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4722310781 is a prime.

It is a super-2 number, since 2×4722310781² = 44600438224697659922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4722310981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361155390 + 2361155391.

It is an arithmetic number, because the mean of its divisors is an integer number (2361155391).

Almost surely, 2^4722310781 is an apocalyptic number.

It is an amenable number.

4722310781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722310781 is an equidigital number, since it uses as much as digits as its factorization.

4722310781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 4722310781 is about 68719.0714503623. The cubic root of 4722310781 is about 1677.7150035476.

The spelling of 4722310781 in words is "four billion, seven hundred twenty-two million, three hundred ten thousand, seven hundred eighty-one".