27222073 has 8 divisors (see below), whose sum is σ = 28070280. Its totient is φ = 26382720.

The previous prime is 27222031. The next prime is 27222101. The reversal of 27222073 is 37022272.

It can be written as a sum of positive squares in 4 ways, for example, as 3485689 + 23736384 = 1867^2 + 4872^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27222073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4323 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (3508785).

Almost surely, 2^27222073 is an apocalyptic number.

It is an amenable number.

27222073 is a deficient number, since it is larger than the sum of its proper divisors (848207).

27222073 is a wasteful number, since it uses less digits than its factorization.

27222073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 27222073 is about 5217.4776472928. The cubic root of 27222073 is about 300.8202478601.

The spelling of 27222073 in words is "twenty-seven million, two hundred twenty-two thousand, seventy-three".