722207113 has 2 divisors, whose sum is σ = 722207114. Its totient is φ = 722207112.

The previous prime is 722207111. The next prime is 722207117. The reversal of 722207113 is 311702227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620358649 + 101848464 = 24907^2 + 10092^2 .

It is a cyclic number.

It is not a de Polignac number, because 722207113 - 2¹ = 722207111 is a prime.

It is a super-2 number, since 2×722207113² = 1043166228135589538, which contains 22 as substring.

Together with 722207111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (722207111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361103556 + 361103557.

It is an arithmetic number, because the mean of its divisors is an integer number (361103557).

Almost surely, 2^722207113 is an apocalyptic number.

It is an amenable number.

722207113 is a deficient number, since it is larger than the sum of its proper divisors (1).

722207113 is an equidigital number, since it uses as much as digits as its factorization.

722207113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 722207113 is about 26873.9113826030. The cubic root of 722207113 is about 897.1958453436.

The spelling of 722207113 in words is "seven hundred twenty-two million, two hundred seven thousand, one hundred thirteen".