222247364 has 6 divisors (see below), whose sum is σ = 388932894. Its totient is φ = 111123680.

The previous prime is 222247343. The next prime is 222247373. The reversal of 222247364 is 463742222.

It can be written as a sum of positive squares in only one way, i.e., 164608900 + 57638464 = 12830^2 + 7592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222247364.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780917 + ... + 27780924.

It is an arithmetic number, because the mean of its divisors is an integer number (64822149).

Almost surely, 2^222247364 is an apocalyptic number.

It is an amenable number.

222247364 is a deficient number, since it is larger than the sum of its proper divisors (166685530).

222247364 is a wasteful number, since it uses less digits than its factorization.

222247364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55561845 (or 55561843 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 222247364 is about 14907.9631070110. The cubic root of 222247364 is about 605.7297062370.

Adding to 222247364 its reverse (463742222), we get a palindrome (685989586).

The spelling of 222247364 in words is "two hundred twenty-two million, two hundred forty-seven thousand, three hundred sixty-four".