122199388 has 24 divisors (see below), whose sum is σ = 222138000. Its totient is φ = 58748928.

The previous prime is 122199377. The next prime is 122199433. The reversal of 122199388 is 883991221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27763 + ... + 31861.

It is an arithmetic number, because the mean of its divisors is an integer number (9255750).

Almost surely, 2^122199388 is an apocalyptic number.

It is an amenable number.

122199388 is a deficient number, since it is larger than the sum of its proper divisors (99938612).

122199388 is a wasteful number, since it uses less digits than its factorization.

122199388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389 (or 4387 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 122199388 is about 11054.3832030557. The cubic root of 122199388 is about 496.2376105293.

The spelling of 122199388 in words is "one hundred twenty-two million, one hundred ninety-nine thousand, three hundred eighty-eight".