7222850 has 24 divisors (see below), whose sum is σ = 14143440. Its totient is φ = 2736720.

The previous prime is 7222849. The next prime is 7222903. The reversal of 7222850 is 582227.

7222850 = 270² + 271² + ... + 345².

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2852 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (589310).

Almost surely, 2^7222850 is an apocalyptic number.

7222850 is a deficient number, since it is larger than the sum of its proper divisors (6920590).

7222850 is a wasteful number, since it uses less digits than its factorization.

7222850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 7629 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7222850 is about 2687.5360462699. The cubic root of 7222850 is about 193.3019337300.

It can be divided in two parts, 72 and 22850, that added together give a palindrome (22922).

The spelling of 7222850 in words is "seven million, two hundred twenty-two thousand, eight hundred fifty".