122422240 has 24 divisors (see below), whose sum is σ = 289222920. Its totient is φ = 48968832.

The previous prime is 122422229. The next prime is 122422243. The reversal of 122422240 is 42224221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122422243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382410 + ... + 382729.

It is an arithmetic number, because the mean of its divisors is an integer number (12050955).

Almost surely, 2^122422240 is an apocalyptic number.

122422240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122422240 is an abundant number, since it is smaller than the sum of its proper divisors (166800680).

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

122422240 is an equidigital number, since it uses as much as digits as its factorization.

122422240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765154 (or 765146 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 122422240 is about 11064.4584142198. The cubic root of 122422240 is about 496.5390860892.

Adding to 122422240 its reverse (42224221), we get a palindrome (164646461).

The spelling of 122422240 in words is "one hundred twenty-two million, four hundred twenty-two thousand, two hundred forty".