27220933 has 4 divisors (see below), whose sum is σ = 27244588. Its totient is φ = 27197280.

The previous prime is 27220931. The next prime is 27220967. The reversal of 27220933 is 33902272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 26234884 = 993^2 + 5122^2 .

It is a cyclic number.

It is not a de Polignac number, because 27220933 - 2¹ = 27220931 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 (27220931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10008 + ... + 12433.

It is an arithmetic number, because the mean of its divisors is an integer number (6811147).

Almost surely, 2^27220933 is an apocalyptic number.

It is an amenable number.

27220933 is a deficient number, since it is larger than the sum of its proper divisors (23655).

27220933 is a wasteful number, since it uses less digits than its factorization.

27220933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23654.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 27220933 is about 5217.3683979570. The cubic root of 27220933 is about 300.8160485734.

The spelling of 27220933 in words is "twenty-seven million, two hundred twenty thousand, nine hundred thirty-three".