222942386 has 16 divisors (see below), whose sum is σ = 354481920. Its totient is φ = 104796480.

The previous prime is 222942383. The next prime is 222942413. The reversal of 222942386 is 683249222.

222942386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222942383) 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, 32171 + ... + 38481.

It is an arithmetic number, because the mean of its divisors is an integer number (22155120).

Almost surely, 2^222942386 is an apocalyptic number.

222942386 is a deficient number, since it is larger than the sum of its proper divisors (131539534).

222942386 is a wasteful number, since it uses less digits than its factorization.

222942386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369.

The product of its digits is 82944, while the sum is 38.

The square root of 222942386 is about 14931.2553390530. The cubic root of 222942386 is about 606.3604709447.

The spelling of 222942386 in words is "two hundred twenty-two million, nine hundred forty-two thousand, three hundred eighty-six".