222330725 has 6 divisors (see below), whose sum is σ = 275690130. Its totient is φ = 177864560.

The previous prime is 222330721. The next prime is 222330737. The reversal of 222330725 is 527033222.

222330725 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 3 ways, for example, as 261121 + 222069604 = 511^2 + 14902^2 .

It is not a de Polignac number, because 222330725 - 2² = 222330721 is a prime.

It is a super-3 number, since 3×222330725³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222330694 and 222330703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222330721) 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, 4446590 + ... + 4446639.

It is an arithmetic number, because the mean of its divisors is an integer number (45948355).

Almost surely, 2^222330725 is an apocalyptic number.

222330725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222330725 is a deficient number, since it is larger than the sum of its proper divisors (53359405).

222330725 is an equidigital number, since it uses as much as digits as its factorization.

222330725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893239 (or 8893234 counting only the distinct ones).

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

The square root of 222330725 is about 14910.7586996772. The cubic root of 222330725 is about 605.8054295532.

Adding to 222330725 its reverse (527033222), we get a palindrome (749363947).

The spelling of 222330725 in words is "two hundred twenty-two million, three hundred thirty thousand, seven hundred twenty-five".