2122275 has 12 divisors (see below), whose sum is σ = 3508952. Its totient is φ = 1131840.

The previous prime is 2122259. The next prime is 2122277. The reversal of 2122275 is 5722212.

It is a happy number.

It is not a de Polignac number, because 2122275 - 2⁴ = 2122259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14074 + ... + 14223.

2^2122275 is an apocalyptic number.

2122275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2122275 is a deficient number, since it is larger than the sum of its proper divisors (1386677).

2122275 is a wasteful number, since it uses less digits than its factorization.

2122275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310 (or 28305 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 2122275 is about 1456.8030065867. The cubic root of 2122275 is about 128.5091011838.

Adding to 2122275 its reverse (5722212), we get a palindrome (7844487).

The spelling of 2122275 in words is "two million, one hundred twenty-two thousand, two hundred seventy-five".