2122288 has 30 divisors (see below), whose sum is σ = 4785036. Its totient is φ = 909216.

The previous prime is 2122277. The next prime is 2122303. The reversal of 2122288 is 8822212.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570 + ... + 2137.

2^2122288 is an apocalyptic number.

2122288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2122288 is an abundant number, since it is smaller than the sum of its proper divisors (2662748).

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

2122288 is a wasteful number, since it uses less digits than its factorization.

2122288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2716 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

The square root of 2122288 is about 1456.8074684048. The cubic root of 2122288 is about 128.5093635775.

It can be divided in two parts, 212 and 2288, that added together give a square (2500 = 50²).

The spelling of 2122288 in words is "two million, one hundred twenty-two thousand, two hundred eighty-eight".