2042225 has 6 divisors (see below), whose sum is σ = 2532390. Its totient is φ = 1633760.

The previous prime is 2042221. The next prime is 2042233. The reversal of 2042225 is 5222402.

It can be written as a sum of positive squares in 3 ways, for example, as 474721 + 1567504 = 689^2 + 1252^2 .

It is not a de Polignac number, because 2042225 - 2² = 2042221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40820 + ... + 40869.

It is an arithmetic number, because the mean of its divisors is an integer number (422065).

2^2042225 is an apocalyptic number.

2042225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2042225 is a deficient number, since it is larger than the sum of its proper divisors (490165).

2042225 is an equidigital number, since it uses as much as digits as its factorization.

2042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81699 (or 81694 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2042225 is about 1429.0643792356. The cubic root of 2042225 is about 126.8726066670.

Adding to 2042225 its reverse (5222402), we get a palindrome (7264627).

The spelling of 2042225 in words is "two million, forty-two thousand, two hundred twenty-five".