22102250 has 32 divisors (see below), whose sum is σ = 41670720. Its totient is φ = 8778000.

The previous prime is 22102247. The next prime is 22102253. The reversal of 22102250 is 5220122.

It is an interprime number because it is at equal distance from previous prime (22102247) and next prime (22102253).

It is not an unprimeable number, because it can be changed into a prime (22102253) 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, 52541 + ... + 52959.

It is an arithmetic number, because the mean of its divisors is an integer number (1302210).

Almost surely, 2^22102250 is an apocalyptic number.

22102250 is a deficient number, since it is larger than the sum of its proper divisors (19568470).

22102250 is a wasteful number, since it uses less digits than its factorization.

22102250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22102250 is about 4701.3030108684. The cubic root of 22102250 is about 280.6373660852.

Adding to 22102250 its reverse (5220122), we get a palindrome (27322372).

The spelling of 22102250 in words is "twenty-two million, one hundred two thousand, two hundred fifty".