222066463 has 4 divisors (see below), whose sum is σ = 224103880. Its totient is φ = 220029048.

The previous prime is 222066457. The next prime is 222066497. The reversal of 222066463 is 364660222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364660222 = 2 ⋅182330111.

It is a cyclic number.

It is not a de Polignac number, because 222066463 - 2²¹ = 219969311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222066443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018545 + ... + 1018762.

It is an arithmetic number, because the mean of its divisors is an integer number (56025970).

Almost surely, 2^222066463 is an apocalyptic number.

222066463 is a deficient number, since it is larger than the sum of its proper divisors (2037417).

222066463 is a wasteful number, since it uses less digits than its factorization.

222066463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037416.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 222066463 is about 14901.8946110889. The cubic root of 222066463 is about 605.5653145556.

The spelling of 222066463 in words is "two hundred twenty-two million, sixty-six thousand, four hundred sixty-three".