222333445 has 8 divisors (see below), whose sum is σ = 267030936. Its totient is φ = 177712896.

The previous prime is 222333389. The next prime is 222333469. The reversal of 222333445 is 544333222.

It can be written as a sum of positive squares in 4 ways, for example, as 45603009 + 176730436 = 6753^2 + 13294^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222333445 - 2⁷ = 222333317 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12672 + ... + 24601.

It is an arithmetic number, because the mean of its divisors is an integer number (33378867).

Almost surely, 2^222333445 is an apocalyptic number.

It is an amenable number.

222333445 is a deficient number, since it is larger than the sum of its proper divisors (44697491).

222333445 is a wasteful number, since it uses less digits than its factorization.

222333445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38471.

The product of its digits is 17280, while the sum is 28.

The square root of 222333445 is about 14910.8499087074. The cubic root of 222333445 is about 605.8079000230.

Adding to 222333445 its reverse (544333222), we get a palindrome (766666667).

It can be divided in two parts, 222333 and 445, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 222333445 in words is "two hundred twenty-two million, three hundred thirty-three thousand, four hundred forty-five".