122221328 has 40 divisors (see below), whose sum is σ = 244005216. Its totient is φ = 59270400.

The previous prime is 122221327. The next prime is 122221331. The reversal of 122221328 is 823122221.

It is not an unprimeable number, because it can be changed into a prime (122221327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137975 + ... + 138857.

Almost surely, 2^122221328 is an apocalyptic number.

It is an amenable number.

122221328 is a deficient number, since it is larger than the sum of its proper divisors (121783888).

122221328 is a wasteful number, since it uses less digits than its factorization.

122221328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1137 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 122221328 is about 11055.3755250557. The cubic root of 122221328 is about 496.2673073547.

Adding to 122221328 its reverse (823122221), we get a palindrome (945343549).

The spelling of 122221328 in words is "one hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty-eight".