7222204320 has 96 divisors (see below), whose sum is σ = 23279078592. Its totient is φ = 1881126912.

The previous prime is 7222204303. The next prime is 7222204321. The reversal of 7222204320 is 234022227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (7222204321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154317 + ... + 195596.

It is an arithmetic number, because the mean of its divisors is an integer number (242490402).

Almost surely, 2^7222204320 is an apocalyptic number.

It is an amenable number.

7222204320 is an abundant number, since it is smaller than the sum of its proper divisors (16056874272).

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

7222204320 is a wasteful number, since it uses less digits than its factorization.

7222204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349974 (or 349966 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 7222204320 is about 84983.5532323755. The cubic root of 7222204320 is about 1932.9617354250.

Adding to 7222204320 its reverse (234022227), we get a palindrome (7456226547).

The spelling of 7222204320 in words is "seven billion, two hundred twenty-two million, two hundred four thousand, three hundred twenty".