722214049 has 2 divisors, whose sum is σ = 722214050. Its totient is φ = 722214048.

The previous prime is 722214047. The next prime is 722214071. The reversal of 722214049 is 940412227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716525824 + 5688225 = 26768^2 + 2385^2 .

It is an emirp because it is prime and its reverse (940412227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722214049 - 2¹ = 722214047 is a prime.

Together with 722214047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 722214049.

It is not a weakly prime, because it can be changed into another prime (722214041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361107024 + 361107025.

It is an arithmetic number, because the mean of its divisors is an integer number (361107025).

Almost surely, 2^722214049 is an apocalyptic number.

It is an amenable number.

722214049 is a deficient number, since it is larger than the sum of its proper divisors (1).

722214049 is an equidigital number, since it uses as much as digits as its factorization.

722214049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 722214049 is about 26874.0404293809. The cubic root of 722214049 is about 897.1987175254.

The spelling of 722214049 in words is "seven hundred twenty-two million, two hundred fourteen thousand, forty-nine".