722361247 has 16 divisors (see below), whose sum is σ = 781452000. Its totient is φ = 665487360.

The previous prime is 722361223. The next prime is 722361271. The reversal of 722361247 is 742163227.

It is an interprime number because it is at equal distance from previous prime (722361223) and next prime (722361271).

It is a cyclic number.

It is not a de Polignac number, because 722361247 - 2¹¹ = 722359199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722361217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270543 + ... + 273199.

It is an arithmetic number, because the mean of its divisors is an integer number (48840750).

Almost surely, 2^722361247 is an apocalyptic number.

722361247 is a deficient number, since it is larger than the sum of its proper divisors (59090753).

722361247 is a wasteful number, since it uses less digits than its factorization.

722361247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its digits is 28224, while the sum is 34.

The square root of 722361247 is about 26876.7789550757. The cubic root of 722361247 is about 897.2596675469.

The spelling of 722361247 in words is "seven hundred twenty-two million, three hundred sixty-one thousand, two hundred forty-seven".