22249750 has 32 divisors (see below), whose sum is σ = 42363360. Its totient is φ = 8748000.

The previous prime is 22249709. The next prime is 22249783. The reversal of 22249750 is 5794222.

It is a congruent number.

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, 14521 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (1323855).

Almost surely, 2^22249750 is an apocalyptic number.

22249750 is a deficient number, since it is larger than the sum of its proper divisors (20113610).

22249750 is a wasteful number, since it uses less digits than its factorization.

22249750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22249750 is about 4716.9640660069. The cubic root of 22249750 is about 281.2602630000.

The spelling of 22249750 in words is "twenty-two million, two hundred forty-nine thousand, seven hundred fifty".