122237388 has 72 divisors (see below), whose sum is σ = 380304288. Its totient is φ = 32237568.

The previous prime is 122237333. The next prime is 122237389. The reversal of 122237388 is 883732221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (122237389) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15381 + ... + 21932.

It is an arithmetic number, because the mean of its divisors is an integer number (5282004).

Almost surely, 2^122237388 is an apocalyptic number.

122237388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122237388 is an abundant number, since it is smaller than the sum of its proper divisors (258066900).

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

122237388 is a wasteful number, since it uses less digits than its factorization.

122237388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37343 (or 37338 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 122237388 is about 11056.1018446829. The cubic root of 122237388 is about 496.2890430698.

The spelling of 122237388 in words is "one hundred twenty-two million, two hundred thirty-seven thousand, three hundred eighty-eight".