222645235 has 8 divisors (see below), whose sum is σ = 268775136. Its totient is φ = 177048960.

The previous prime is 222645233. The next prime is 222645239. The reversal of 222645235 is 532546222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222645235 - 2¹ = 222645233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222645197 and 222645206.

It is not an unprimeable number, because it can be changed into a prime (222645233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132486 + ... + 134155.

It is an arithmetic number, because the mean of its divisors is an integer number (33596892).

Almost surely, 2^222645235 is an apocalyptic number.

222645235 is a deficient number, since it is larger than the sum of its proper divisors (46129901).

222645235 is a wasteful number, since it uses less digits than its factorization.

222645235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266813.

The product of its digits is 28800, while the sum is 31.

The square root of 222645235 is about 14921.3013842627. The cubic root of 222645235 is about 606.0909532833.

The spelling of 222645235 in words is "two hundred twenty-two million, six hundred forty-five thousand, two hundred thirty-five".