2122788 has 12 divisors (see below), whose sum is σ = 4953200. Its totient is φ = 707592.

The previous prime is 2122777. The next prime is 2122793. The reversal of 2122788 is 8872212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88438 + ... + 88461.

2^2122788 is an apocalyptic number.

It is an amenable number.

2122788 is an abundant number, since it is smaller than the sum of its proper divisors (2830412).

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

2122788 is a wasteful number, since it uses less digits than its factorization.

2122788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176906 (or 176904 counting only the distinct ones).

The product of its digits is 3584, while the sum is 30.

The square root of 2122788 is about 1456.9790664248. The cubic root of 2122788 is about 128.5194548307.

The spelling of 2122788 in words is "two million, one hundred twenty-two thousand, seven hundred eighty-eight".