22500250 has 16 divisors (see below), whose sum is σ = 42120936. Its totient is φ = 9000000.

The previous prime is 22500241. The next prime is 22500271. The reversal of 22500250 is 5200522.

It can be written as a sum of positive squares in 4 ways, for example, as 15139881 + 7360369 = 3891^2 + 2713^2 .

It is a super-2 number, since 2×22500250² = 1012522500125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44751 + ... + 45250.

Almost surely, 2^22500250 is an apocalyptic number.

22500250 is a deficient number, since it is larger than the sum of its proper divisors (19620686).

22500250 is an equidigital number, since it uses as much as digits as its factorization.

22500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90018 (or 90008 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 22500250 is about 4743.4428424932. The cubic root of 22500250 is about 282.3118542560.

Adding to 22500250 its reverse (5200522), we get a palindrome (27700772).

The spelling of 22500250 in words is "twenty-two million, five hundred thousand, two hundred fifty".