723013222 has 8 divisors (see below), whose sum is σ = 1085054256. Its totient is φ = 361328472.

The previous prime is 723013177. The next prime is 723013273. The reversal of 723013222 is 222310327.

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

It is a junction number, because it is equal to n+sod(n) for n = 723013193 and 723013202.

It is a congruent number.

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, 83938 + ... + 92149.

It is an arithmetic number, because the mean of its divisors is an integer number (135631782).

Almost surely, 2^723013222 is an apocalyptic number.

723013222 is a deficient number, since it is larger than the sum of its proper divisors (362041034).

723013222 is a wasteful number, since it uses less digits than its factorization.

723013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178142.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 723013222 is about 26888.9051841089. The cubic root of 723013222 is about 897.5295301979.

Adding to 723013222 its reverse (222310327), we get a palindrome (945323549).

The spelling of 723013222 in words is "seven hundred twenty-three million, thirteen thousand, two hundred twenty-two".