25223412 has 24 divisors (see below), whose sum is σ = 61952800. Its totient is φ = 7965216.

The previous prime is 25223411. The next prime is 25223447. The reversal of 25223412 is 21432252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55087 + ... + 55542.

Almost surely, 2^25223412 is an apocalyptic number.

It is an amenable number.

25223412 is an abundant number, since it is smaller than the sum of its proper divisors (36729388).

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

25223412 is a wasteful number, since it uses less digits than its factorization.

25223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110655 (or 110653 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 25223412 is about 5022.2915088633. The cubic root of 25223412 is about 293.2702062274.

Adding to 25223412 its reverse (21432252), we get a palindrome (46655664).

The spelling of 25223412 in words is "twenty-five million, two hundred twenty-three thousand, four hundred twelve".