25024222 has 4 divisors (see below), whose sum is σ = 37536336. Its totient is φ = 12512110.

The previous prime is 25024217. The next prime is 25024229. The reversal of 25024222 is 22242052.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25024222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25024229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256054 + ... + 6256057.

It is an arithmetic number, because the mean of its divisors is an integer number (9384084).

Almost surely, 2^25024222 is an apocalyptic number.

25024222 is a deficient number, since it is larger than the sum of its proper divisors (12512114).

25024222 is a wasteful number, since it uses less digits than its factorization.

25024222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512113.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 25024222 is about 5002.4216135788. The cubic root of 25024222 is about 292.4961774161.

Adding to 25024222 its reverse (22242052), we get a palindrome (47266274).

It can be divided in two parts, 2502 and 4222, that added together give a square (6724 = 82²).

The spelling of 25024222 in words is "twenty-five million, twenty-four thousand, two hundred twenty-two".