222966229249 has 3 divisors (see below), whose sum is σ = 222966701443. Its totient is φ = 222965757056.

The previous prime is 222966229247. The next prime is 222966229271. The reversal of 222966229249 is 942922669222.

The square root of 222966229249 is 472193.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 142895340225 + 80070889024 = 378015^2 + 282968^2 .

It is not a de Polignac number, because 222966229249 - 2¹ = 222966229247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222966229249.

It is not an unprimeable number, because it can be changed into a prime (222966229247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 236097 + ... + 708289.

Almost surely, 2^222966229249 is an apocalyptic number.

222966229249 is the 472193-rd square number.

222966229249 is the 236097-th centered octagonal number.

It is an amenable number.

222966229249 is a deficient number, since it is larger than the sum of its proper divisors (472194).

222966229249 is an frugal number, since it uses more digits than its factorization.

222966229249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944386 (or 472193 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 222966229249 in words is "two hundred twenty-two billion, nine hundred sixty-six million, two hundred twenty-nine thousand, two hundred forty-nine".