122276220 has 48 divisors (see below), whose sum is σ = 373500288. Its totient is φ = 29642560.

The previous prime is 122276171. The next prime is 122276221. The reversal of 122276220 is 22672221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122276221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91974 + ... + 93293.

It is an arithmetic number, because the mean of its divisors is an integer number (7781256).

Almost surely, 2^122276220 is an apocalyptic number.

122276220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122276220 is an abundant number, since it is smaller than the sum of its proper divisors (251224068).

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

122276220 is a wasteful number, since it uses less digits than its factorization.

122276220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185290 (or 185288 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 122276220 is about 11057.8578395637. The cubic root of 122276220 is about 496.3415907015.

The spelling of 122276220 in words is "one hundred twenty-two million, two hundred seventy-six thousand, two hundred twenty".