7223200 has 36 divisors (see below), whose sum is σ = 17635590. Its totient is φ = 2888960.

The previous prime is 7223197. The next prime is 7223201. The reversal of 7223200 is 23227.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7033104 + 190096 = 2652^2 + 436^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (7223201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3715 + ... + 5314.

Almost surely, 2^7223200 is an apocalyptic number.

It is an amenable number.

7223200 is an abundant number, since it is smaller than the sum of its proper divisors (10412390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7223200 is a wasteful number, since it uses less digits than its factorization.

7223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049 (or 9036 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 7223200 is about 2687.6011608868. The cubic root of 7223200 is about 193.3050559779.

Adding to 7223200 its reverse (23227), we get a palindrome (7246427).

It can be divided in two parts, 722 and 3200, that multiplied together give a square (2310400 = 1520²).

The spelling of 7223200 in words is "seven million, two hundred twenty-three thousand, two hundred".