2122448 has 20 divisors (see below), whose sum is σ = 4153380. Its totient is φ = 1050624.

The previous prime is 2122441. The next prime is 2122451. The reversal of 2122448 is 8442212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 1024144 = 1048^2 + 1012^2 .

It is a hoax number, since the sum of its digits (23) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122441) 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 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (207669).

2^2122448 is an apocalyptic number.

It is an amenable number.

2122448 is a deficient number, since it is larger than the sum of its proper divisors (2030932).

2122448 is a wasteful number, since it uses less digits than its factorization.

2122448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1328 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 2122448 is about 1456.8623819702. The cubic root of 2122448 is about 128.5125929510.

The spelling of 2122448 in words is "two million, one hundred twenty-two thousand, four hundred forty-eight".