222702774 has 64 divisors (see below), whose sum is σ = 534643200. Its totient is φ = 60496128.

The previous prime is 222702761. The next prime is 222702811. The reversal of 222702774 is 477207222.

222702774 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80242 + ... + 82970.

It is an arithmetic number, because the mean of its divisors is an integer number (8353800).

Almost surely, 2^222702774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222702774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267321600).

222702774 is an abundant number, since it is smaller than the sum of its proper divisors (311940426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222702774 is a wasteful number, since it uses less digits than its factorization.

222702774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 222702774 is about 14923.2293422034. The cubic root of 222702774 is about 606.1431601998.

Adding to 222702774 its reverse (477207222), we get a palindrome (699909996).

The spelling of 222702774 in words is "two hundred twenty-two million, seven hundred two thousand, seven hundred seventy-four".