25228494 has 24 divisors (see below), whose sum is σ = 54837120. Its totient is φ = 8382528.

The previous prime is 25228481. The next prime is 25228507. The reversal of 25228494 is 49482252.

It is an interprime number because it is at equal distance from previous prime (25228481) and next prime (25228507).

It is a super-3 number, since 3×25228494³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3987 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (2284880).

Almost surely, 2^25228494 is an apocalyptic number.

25228494 is an abundant number, since it is smaller than the sum of its proper divisors (29608626).

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

25228494 is a wasteful number, since it uses less digits than its factorization.

25228494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504 (or 4501 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 25228494 is about 5022.7974277289. The cubic root of 25228494 is about 293.2899008812.

The spelling of 25228494 in words is "twenty-five million, two hundred twenty-eight thousand, four hundred ninety-four".