122722243 has 8 divisors (see below), whose sum is σ = 140332640. Its totient is φ = 105131520.

The previous prime is 122722219. The next prime is 122722247. The reversal of 122722243 is 342227221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122722243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122722247) 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, 12643 + ... + 20131.

It is an arithmetic number, because the mean of its divisors is an integer number (17541580).

Almost surely, 2^122722243 is an apocalyptic number.

122722243 is a deficient number, since it is larger than the sum of its proper divisors (17610397).

122722243 is an equidigital number, since it uses as much as digits as its factorization.

122722243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837.

The product of its digits is 2688, while the sum is 25.

The square root of 122722243 is about 11078.0071763833. The cubic root of 122722243 is about 496.9443547718.

Adding to 122722243 its reverse (342227221), we get a palindrome (464949464).

The spelling of 122722243 in words is "one hundred twenty-two million, seven hundred twenty-two thousand, two hundred forty-three".