725303222 has 16 divisors (see below), whose sum is σ = 1254786720. Its totient is φ = 307991808.

The previous prime is 725303221. The next prime is 725303233. The reversal of 725303222 is 222303527.

It is a junction number, because it is equal to n+sod(n) for n = 725303191 and 725303200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725303221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236123 + ... + 239174.

It is an arithmetic number, because the mean of its divisors is an integer number (78424170).

Almost surely, 2^725303222 is an apocalyptic number.

725303222 is a deficient number, since it is larger than the sum of its proper divisors (529483498).

725303222 is a wasteful number, since it uses less digits than its factorization.

725303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475415.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 725303222 is about 26931.4541382377. The cubic root of 725303222 is about 898.4761133813.

Adding to 725303222 its reverse (222303527), we get a palindrome (947606749).

The spelling of 725303222 in words is "seven hundred twenty-five million, three hundred three thousand, two hundred twenty-two".