25223532 has 12 divisors (see below), whose sum is σ = 58854936. Its totient is φ = 8407840.

The previous prime is 25223509. The next prime is 25223551. The reversal of 25223532 is 23532252.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1050969 + ... + 1050992.

It is an arithmetic number, because the mean of its divisors is an integer number (4904578).

Almost surely, 2^25223532 is an apocalyptic number.

It is an amenable number.

25223532 is an abundant number, since it is smaller than the sum of its proper divisors (33631404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25223532 is a wasteful number, since it uses less digits than its factorization.

25223532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101968 (or 2101966 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 25223532 is about 5022.3034555869. The cubic root of 25223532 is about 293.2706713028.

Adding to 25223532 its reverse (23532252), we get a palindrome (48755784).

The spelling of 25223532 in words is "twenty-five million, two hundred twenty-three thousand, five hundred thirty-two".