122244278 has 16 divisors (see below), whose sum is σ = 198918720. Its totient is φ = 56006976.

The previous prime is 122244277. The next prime is 122244281. The reversal of 122244278 is 872442221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122244277) 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, 13598 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (12432420).

Almost surely, 2^122244278 is an apocalyptic number.

122244278 is a deficient number, since it is larger than the sum of its proper divisors (76674442).

122244278 is a wasteful number, since it uses less digits than its factorization.

122244278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34471.

The product of its digits is 14336, while the sum is 32.

The square root of 122244278 is about 11056.4134329357. The cubic root of 122244278 is about 496.2983674598.

Adding to 122244278 its reverse (872442221), we get a palindrome (994686499).

The spelling of 122244278 in words is "one hundred twenty-two million, two hundred forty-four thousand, two hundred seventy-eight".