122322240 has 84 divisors (see below), whose sum is σ = 420747444. Its totient is φ = 32618496.

The previous prime is 122322227. The next prime is 122322271. The reversal of 122322240 is 42223221.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 90782784 = 5616^2 + 9528^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18357 + ... + 24116.

Almost surely, 2^122322240 is an apocalyptic number.

122322240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122322240 is an abundant number, since it is smaller than the sum of its proper divisors (298425204).

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

122322240 is a wasteful number, since it uses less digits than its factorization.

122322240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42496 (or 42483 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122322240 is about 11059.9385170081. The cubic root of 122322240 is about 496.4038507633.

Adding to 122322240 its reverse (42223221), we get a palindrome (164545461).

The spelling of 122322240 in words is "one hundred twenty-two million, three hundred twenty-two thousand, two hundred forty".