25223454 has 16 divisors (see below), whose sum is σ = 56052240. Its totient is φ = 8407800.

The previous prime is 25223453. The next prime is 25223459. The reversal of 25223454 is 45432252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223453) 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, 233497 + ... + 233604.

It is an arithmetic number, because the mean of its divisors is an integer number (3503265).

Almost surely, 2^25223454 is an apocalyptic number.

25223454 is an abundant number, since it is smaller than the sum of its proper divisors (30828786).

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

25223454 is a wasteful number, since it uses less digits than its factorization.

25223454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467112 (or 467106 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 25223454 is about 5022.2956902198. The cubic root of 25223454 is about 293.2703690040.

The spelling of 25223454 in words is "twenty-five million, two hundred twenty-three thousand, four hundred fifty-four".