122249718 has 24 divisors (see below), whose sum is σ = 265078008. Its totient is φ = 40718592.

The previous prime is 122249707. The next prime is 122249719. The reversal of 122249718 is 817942221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122249719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43030 + ... + 45782.

It is an arithmetic number, because the mean of its divisors is an integer number (11044917).

Almost surely, 2^122249718 is an apocalyptic number.

122249718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122249718 is an abundant number, since it is smaller than the sum of its proper divisors (142828290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122249718 is a wasteful number, since it uses less digits than its factorization.

122249718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228 (or 5225 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 122249718 is about 11056.6594412598. The cubic root of 122249718 is about 496.3057292852.

The spelling of 122249718 in words is "one hundred twenty-two million, two hundred forty-nine thousand, seven hundred eighteen".