722290229249 has 8 divisors (see below), whose sum is σ = 735946874280. Its totient is φ = 708634640896.

The previous prime is 722290229233. The next prime is 722290229257. The reversal of 722290229249 is 942922092227.

It can be written as a sum of positive squares in 4 ways, for example, as 50808315649 + 671481913600 = 225407^2 + 819440^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722290229249 - 2⁴ = 722290229233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722290229197 and 722290229206.

It is not an unprimeable number, because it can be changed into a prime (722290229209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190897 + ... + 1691985.

It is an arithmetic number, because the mean of its divisors is an integer number (91993359285).

Almost surely, 2^722290229249 is an apocalyptic number.

It is an amenable number.

722290229249 is a deficient number, since it is larger than the sum of its proper divisors (13656645031).

722290229249 is a wasteful number, since it uses less digits than its factorization.

722290229249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528339.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 722290229249 in words is "seven hundred twenty-two billion, two hundred ninety million, two hundred twenty-nine thousand, two hundred forty-nine".