74022250 has 32 divisors (see below), whose sum is σ = 146729232. Its totient is φ = 27865600.

The previous prime is 74022217. The next prime is 74022251. The reversal of 74022250 is 5222047.

It can be written as a sum of positive squares in 8 ways, for example, as 23512801 + 50509449 = 4849^2 + 7107^2 .

It is not an unprimeable number, because it can be changed into a prime (74022251) 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, 4459 + ... + 12958.

Almost surely, 2^74022250 is an apocalyptic number.

74022250 is a deficient number, since it is larger than the sum of its proper divisors (72706982).

74022250 is a wasteful number, since it uses less digits than its factorization.

74022250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451 (or 17441 counting only the distinct ones).

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

The square root of 74022250 is about 8603.6184248257. The cubic root of 74022250 is about 419.8757190859.

Adding to 74022250 its reverse (5222047), we get a palindrome (79244297).

The spelling of 74022250 in words is "seventy-four million, twenty-two thousand, two hundred fifty".