22003250 has 32 divisors (see below), whose sum is σ = 41468544. Its totient is φ = 8742000.

The previous prime is 22003243. The next prime is 22003297. The reversal of 22003250 is 5230022.

22003250 = 356² + 357² + ... + 480².

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70595 + ... + 70905.

It is an arithmetic number, because the mean of its divisors is an integer number (1295892).

Almost surely, 2^22003250 is an apocalyptic number.

22003250 is a deficient number, since it is larger than the sum of its proper divisors (19465294).

22003250 is a wasteful number, since it uses less digits than its factorization.

22003250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 22003250 is about 4690.7621981934. The cubic root of 22003250 is about 280.2177303071.

Adding to 22003250 its reverse (5230022), we get a palindrome (27233272).

The spelling of 22003250 in words is "twenty-two million, three thousand, two hundred fifty".