25223132 has 12 divisors (see below), whose sum is σ = 48153336. Its totient is φ = 11465040.

The previous prime is 25223129. The next prime is 25223141. The reversal of 25223132 is 23132252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286583 + ... + 286670.

It is an arithmetic number, because the mean of its divisors is an integer number (4012778).

Almost surely, 2^25223132 is an apocalyptic number.

25223132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25223132 is a deficient number, since it is larger than the sum of its proper divisors (22930204).

25223132 is a wasteful number, since it uses less digits than its factorization.

25223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573268 (or 573266 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 25223132 is about 5022.2636330643. The cubic root of 25223132 is about 293.2691210456.

Adding to 25223132 its reverse (23132252), we get a palindrome (48355384).

The spelling of 25223132 in words is "twenty-five million, two hundred twenty-three thousand, one hundred thirty-two".