122244778 has 8 divisors (see below), whose sum is σ = 185879268. Its totient is φ = 60285024.

The previous prime is 122244763. The next prime is 122244799. The reversal of 122244778 is 877442221.

It can be written as a sum of positive squares in 2 ways, for example, as 121374289 + 870489 = 11017^2 + 933^2 .

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

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418501 + ... + 418792.

Almost surely, 2^122244778 is an apocalyptic number.

122244778 is a deficient number, since it is larger than the sum of its proper divisors (63634490).

122244778 is an equidigital number, since it uses as much as digits as its factorization.

122244778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837368.

The product of its digits is 50176, while the sum is 37.

The square root of 122244778 is about 11056.4360442233. The cubic root of 122244778 is about 496.2990441073.

Adding to 122244778 its reverse (877442221), we get a palindrome (999686999).

The spelling of 122244778 in words is "one hundred twenty-two million, two hundred forty-four thousand, seven hundred seventy-eight".