27022021 has 8 divisors (see below), whose sum is σ = 29169504. Its totient is φ = 24884400.

The previous prime is 27022007. The next prime is 27022043. The reversal of 27022021 is 12022072.

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 27022021 - 2⁵ = 27021989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27021986 and 27022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27023021) 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, 3846 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (3646188).

Almost surely, 2^27022021 is an apocalyptic number.

It is an amenable number.

27022021 is a deficient number, since it is larger than the sum of its proper divisors (2147483).

27022021 is a wasteful number, since it uses less digits than its factorization.

27022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 27022021 is about 5198.2709625413. The cubic root of 27022021 is about 300.0815370963.

Adding to 27022021 its reverse (12022072), we get a palindrome (39044093).

The spelling of 27022021 in words is "twenty-seven million, twenty-two thousand, twenty-one".