128322922 has 64 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 46920384.

The previous prime is 128322899. The next prime is 128322937. The reversal of 128322922 is 229223821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148263 + ... + 149125.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^128322922 is an apocalyptic number.

128322922 is a deficient number, since it is larger than the sum of its proper divisors (127144598).

128322922 is a wasteful number, since it uses less digits than its factorization.

128322922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its digits is 6912, while the sum is 31.

The square root of 128322922 is about 11327.9707803295. The cubic root of 128322922 is about 504.3918726259.

The spelling of 128322922 in words is "one hundred twenty-eight million, three hundred twenty-two thousand, nine hundred twenty-two".