222216780249 has 12 divisors (see below), whose sum is σ = 322164224512. Its totient is φ = 147597859800.

The previous prime is 222216780221. The next prime is 222216780281. The reversal of 222216780249 is 942087612222.

It is not a de Polignac number, because 222216780249 - 2¹⁷ = 222216649177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222216780449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45552457 + ... + 45557334.

Almost surely, 2^222216780249 is an apocalyptic number.

It is an amenable number.

222216780249 is a deficient number, since it is larger than the sum of its proper divisors (99947444263).

222216780249 is a wasteful number, since it uses less digits than its factorization.

222216780249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91110068 (or 91110065 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 222216780249 in words is "two hundred twenty-two billion, two hundred sixteen million, seven hundred eighty thousand, two hundred forty-nine".