27722133 has 6 divisors (see below), whose sum is σ = 40043094. Its totient is φ = 18481416.

The previous prime is 27722131. The next prime is 27722147. The reversal of 27722133 is 33122772.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27688644 + 33489 = 5262^2 + 183^2 .

It is not a de Polignac number, because 27722133 - 2¹ = 27722131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27722097 and 27722106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27722131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1540110 + ... + 1540127.

It is an arithmetic number, because the mean of its divisors is an integer number (6673849).

Almost surely, 2^27722133 is an apocalyptic number.

It is an amenable number.

27722133 is a deficient number, since it is larger than the sum of its proper divisors (12320961).

27722133 is a wasteful number, since it uses less digits than its factorization.

27722133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080243 (or 3080240 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 27722133 is about 5265.1811934633. The cubic root of 27722133 is about 302.6510704108.

The spelling of 27722133 in words is "twenty-seven million, seven hundred twenty-two thousand, one hundred thirty-three".