22740250 has 32 divisors (see below), whose sum is σ = 45850896. Its totient is φ = 8395200.

The previous prime is 22740241. The next prime is 22740253. The reversal of 22740250 is 5204722.

It can be written as a sum of positive squares in 8 ways, for example, as 263169 + 22477081 = 513^2 + 4741^2 .

It is not an unprimeable number, because it can be changed into a prime (22740253) 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, 249 + ... + 6748.

Almost surely, 2^22740250 is an apocalyptic number.

22740250 is an abundant number, since it is smaller than the sum of its proper divisors (23110646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22740250 is a wasteful number, since it uses less digits than its factorization.

22740250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027 (or 7017 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22740250 is about 4768.6738198371. The cubic root of 22740250 is about 283.3120706843.

Adding to 22740250 its reverse (5204722), we get a palindrome (27944972).

The spelling of 22740250 in words is "twenty-two million, seven hundred forty thousand, two hundred fifty".