7223220322 has 8 divisors (see below), whose sum is σ = 10835300700. Its totient is φ = 3611453424.

The previous prime is 7223220307. The next prime is 7223220341. The reversal of 7223220322 is 2230223227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5123839561 + 2099380761 = 71581^2 + 45819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8197 + ... + 120472.

Almost surely, 2^7223220322 is an apocalyptic number.

7223220322 is a deficient number, since it is larger than the sum of its proper divisors (3612080378).

7223220322 is a wasteful number, since it uses less digits than its factorization.

7223220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156740.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 7223220322 is about 84989.5306611350. The cubic root of 7223220322 is about 1933.0523726145.

Adding to 7223220322 its reverse (2230223227), we get a palindrome (9453443549).

The spelling of 7223220322 in words is "seven billion, two hundred twenty-three million, two hundred twenty thousand, three hundred twenty-two".