22222250 has 32 divisors (see below), whose sum is σ = 42052608. Its totient is φ = 8792400.

The previous prime is 22222223. The next prime is 22222253. The reversal of 22222250 is 5222222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22222253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25319 + ... + 26181.

It is an arithmetic number, because the mean of its divisors is an integer number (1314144).

Almost surely, 2^22222250 is an apocalyptic number.

22222250 is a deficient number, since it is larger than the sum of its proper divisors (19830358).

22222250 is a wasteful number, since it uses less digits than its factorization.

22222250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22222250 is about 4714.0481541877. The cubic root of 22222250 is about 281.1443389106.

Adding to 22222250 its reverse (5222222), we get a palindrome (27444472).

The spelling of 22222250 in words is "twenty-two million, two hundred twenty-two thousand, two hundred fifty".