22420250 has 16 divisors (see below), whose sum is σ = 41971176. Its totient is φ = 8968000.

The previous prime is 22420249. The next prime is 22420259. The reversal of 22420250 is 5202422.

It can be written as a sum of positive squares in 4 ways, for example, as 8048569 + 14371681 = 2837^2 + 3791^2 .

It is a super-2 number, since 2×22420250² = 1005335220125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22420259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44591 + ... + 45090.

Almost surely, 2^22420250 is an apocalyptic number.

22420250 is a deficient number, since it is larger than the sum of its proper divisors (19550926).

22420250 is an equidigital number, since it uses as much as digits as its factorization.

22420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89698 (or 89688 counting only the distinct ones).

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

The square root of 22420250 is about 4735.0026399148. The cubic root of 22420250 is about 281.9768688168.

Adding to 22420250 its reverse (5202422), we get a palindrome (27622672).

The spelling of 22420250 in words is "twenty-two million, four hundred twenty thousand, two hundred fifty".