222820847 has 8 divisors (see below), whose sum is σ = 236872560. Its totient is φ = 209001600.

The previous prime is 222820841. The next prime is 222820867. The reversal of 222820847 is 748028222.

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

It is a cyclic number.

It is not a de Polignac number, because 222820847 - 2⁴ = 222820831 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 (222820841) 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, 56138 + ... + 59975.

It is an arithmetic number, because the mean of its divisors is an integer number (29609070).

Almost surely, 2^222820847 is an apocalyptic number.

222820847 is a deficient number, since it is larger than the sum of its proper divisors (14051713).

222820847 is a wasteful number, since it uses less digits than its factorization.

222820847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116233.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 222820847 is about 14927.1848317089. The cubic root of 222820847 is about 606.2502633364.

The spelling of 222820847 in words is "two hundred twenty-two million, eight hundred twenty thousand, eight hundred forty-seven".