122219118 has 40 divisors (see below), whose sum is σ = 312987312. Its totient is φ = 34919424.

The previous prime is 122219107. The next prime is 122219131. The reversal of 122219118 is 811912221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 122219091 and 122219100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52755 + ... + 55022.

Almost surely, 2^122219118 is an apocalyptic number.

122219118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122219118 is an abundant number, since it is smaller than the sum of its proper divisors (190768194).

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

122219118 is a wasteful number, since it uses less digits than its factorization.

122219118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107798 (or 107789 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 122219118 is about 11055.2755732275. The cubic root of 122219118 is about 496.2643161764.

The spelling of 122219118 in words is "one hundred twenty-two million, two hundred nineteen thousand, one hundred eighteen".