122259388 has 6 divisors (see below), whose sum is σ = 213953936. Its totient is φ = 61129692.

The previous prime is 122259383. The next prime is 122259407. The reversal of 122259388 is 883952221.

It is a self number, because there is not a number n which added to its sum of digits gives 122259388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122259383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15282420 + ... + 15282427.

Almost surely, 2^122259388 is an apocalyptic number.

It is an amenable number.

122259388 is a deficient number, since it is larger than the sum of its proper divisors (91694548).

122259388 is a wasteful number, since it uses less digits than its factorization.

122259388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30564851 (or 30564849 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 122259388 is about 11057.0967256328. The cubic root of 122259388 is about 496.3188149319.

The spelling of 122259388 in words is "one hundred twenty-two million, two hundred fifty-nine thousand, three hundred eighty-eight".