25003222 has 8 divisors (see below), whose sum is σ = 37735416. Its totient is φ = 12424752.

The previous prime is 25003217. The next prime is 25003247. The reversal of 25003222 is 22230052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25003222² = 1250322220762568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25003196 and 25003205.

It is a congruent number.

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, 38023 + ... + 38674.

It is an arithmetic number, because the mean of its divisors is an integer number (4716927).

Almost surely, 2^25003222 is an apocalyptic number.

25003222 is a deficient number, since it is larger than the sum of its proper divisors (12732194).

25003222 is a wasteful number, since it uses less digits than its factorization.

25003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76862.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25003222 is about 5000.3221896194. The cubic root of 25003222 is about 292.4143348619.

Adding to 25003222 its reverse (22230052), we get a palindrome (47233274).

The spelling of 25003222 in words is "twenty-five million, three thousand, two hundred twenty-two".