27022949 has 2 divisors, whose sum is σ = 27022950. Its totient is φ = 27022948.

The previous prime is 27022901. The next prime is 27022967. The reversal of 27022949 is 94922072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 2122849 = 4990^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 27022949 - 2¹² = 27018853 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27022249) 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 as a sum of consecutive naturals, namely, 13511474 + 13511475.

It is an arithmetic number, because the mean of its divisors is an integer number (13511475).

Almost surely, 2^27022949 is an apocalyptic number.

It is an amenable number.

27022949 is a deficient number, since it is larger than the sum of its proper divisors (1).

27022949 is an equidigital number, since it uses as much as digits as its factorization.

27022949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 27022949 is about 5198.3602222239. The cubic root of 27022949 is about 300.0849722264.

The spelling of 27022949 in words is "twenty-seven million, twenty-two thousand, nine hundred forty-nine".