722900611 has 2 divisors, whose sum is σ = 722900612. Its totient is φ = 722900610.

The previous prime is 722900609. The next prime is 722900617. The reversal of 722900611 is 116009227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722900611 - 2¹ = 722900609 is a prime.

It is a super-3 number, since 3×722900611³ (a number of 28 digits) contains 333 as substring.

Together with 722900609, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722900611.

It is not a weakly prime, because it can be changed into another prime (722900617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361450305 + 361450306.

It is an arithmetic number, because the mean of its divisors is an integer number (361450306).

Almost surely, 2^722900611 is an apocalyptic number.

722900611 is a deficient number, since it is larger than the sum of its proper divisors (1).

722900611 is an equidigital number, since it uses as much as digits as its factorization.

722900611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 722900611 is about 26886.8110976367. The cubic root of 722900611 is about 897.4829303375.

Adding to 722900611 its reverse (116009227), we get a palindrome (838909838).

The spelling of 722900611 in words is "seven hundred twenty-two million, nine hundred thousand, six hundred eleven".