222205562 has 4 divisors (see below), whose sum is σ = 333308346. Its totient is φ = 111102780.

The previous prime is 222205537. The next prime is 222205583. The reversal of 222205562 is 265502222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265502222 = 2 ⋅132751111.

It can be written as a sum of positive squares in only one way, i.e., 219958561 + 2247001 = 14831^2 + 1499^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551389 + ... + 55551392.

Almost surely, 2^222205562 is an apocalyptic number.

222205562 is a deficient number, since it is larger than the sum of its proper divisors (111102784).

222205562 is a wasteful number, since it uses less digits than its factorization.

222205562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111102783.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 222205562 is about 14906.5610386836. The cubic root of 222205562 is about 605.6917270826.

Adding to 222205562 its reverse (265502222), we get a palindrome (487707784).

The spelling of 222205562 in words is "two hundred twenty-two million, two hundred five thousand, five hundred sixty-two".