28222363 has 8 divisors (see below), whose sum is σ = 32181408. Its totient is φ = 24518784.

The previous prime is 28222361. The next prime is 28222367. The reversal of 28222363 is 36322282.

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 28222363 - 2¹ = 28222361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28222361) 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, 63631 + ... + 64072.

It is an arithmetic number, because the mean of its divisors is an integer number (4022676).

Almost surely, 2^28222363 is an apocalyptic number.

28222363 is a deficient number, since it is larger than the sum of its proper divisors (3959045).

28222363 is a wasteful number, since it uses less digits than its factorization.

28222363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127733.

The product of its digits is 6912, while the sum is 28.

The square root of 28222363 is about 5312.4723999283. The cubic root of 28222363 is about 304.4606179458.

The spelling of 28222363 in words is "twenty-eight million, two hundred twenty-two thousand, three hundred sixty-three".