2123225 has 24 divisors (see below), whose sum is σ = 2916480. Its totient is φ = 1523520.

The previous prime is 2123213. The next prime is 2123237. The reversal of 2123225 is 5223212.

It is an interprime number because it is at equal distance from previous prime (2123213) and next prime (2123237).

It is not a de Polignac number, because 2123225 - 2⁶ = 2123161 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 2¹² + 3¹³ + 2¹⁸ + 2¹⁸ + 5 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15206 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (121520).

2^2123225 is an apocalyptic number.

2123225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123225 is a deficient number, since it is larger than the sum of its proper divisors (793255).

2123225 is a wasteful number, since it uses less digits than its factorization.

2123225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 204 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 2123225 is about 1457.1290265450. The cubic root of 2123225 is about 128.5282732884.

Adding to 2123225 its reverse (5223212), we get a palindrome (7346437).

The spelling of 2123225 in words is "two million, one hundred twenty-three thousand, two hundred twenty-five".