222620734 has 32 divisors (see below), whose sum is σ = 403587072. Its totient is φ = 90072000.

The previous prime is 222620711. The next prime is 222620759. The reversal of 222620734 is 437026222.

222620734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11539 + ... + 24049.

It is an arithmetic number, because the mean of its divisors is an integer number (12612096).

Almost surely, 2^222620734 is an apocalyptic number.

222620734 is a deficient number, since it is larger than the sum of its proper divisors (180966338).

222620734 is a wasteful number, since it uses less digits than its factorization.

222620734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 222620734 is about 14920.4803541977. The cubic root of 222620734 is about 606.0687200368.

Adding to 222620734 its reverse (437026222), we get a palindrome (659646956).

The spelling of 222620734 in words is "two hundred twenty-two million, six hundred twenty thousand, seven hundred thirty-four".