722242307 has 8 divisors (see below), whose sum is σ = 761499600. Its totient is φ = 683109504.

The previous prime is 722242291. The next prime is 722242333. The reversal of 722242307 is 703242227.

It is a happy number.

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 722242307 - 2⁴ = 722242291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722242307.

It is not an unprimeable number, because it can be changed into a prime (722242357) 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, 19082 + ... + 42527.

It is an arithmetic number, because the mean of its divisors is an integer number (95187450).

Almost surely, 2^722242307 is an apocalyptic number.

722242307 is a deficient number, since it is larger than the sum of its proper divisors (39257293).

722242307 is a wasteful number, since it uses less digits than its factorization.

722242307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62245.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 722242307 is about 26874.5661732427. The cubic root of 722242307 is about 897.2104189089.

The spelling of 722242307 in words is "seven hundred twenty-two million, two hundred forty-two thousand, three hundred seven".