27220023 has 32 divisors (see below), whose sum is σ = 42040320. Its totient is φ = 17392320.

The previous prime is 27220019. The next prime is 27220031. The reversal of 27220023 is 32002272.

It is not a de Polignac number, because 27220023 - 2² = 27220019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27219978 and 27220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27220013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73986 + ... + 74352.

It is an arithmetic number, because the mean of its divisors is an integer number (1313760).

Almost surely, 2^27220023 is an apocalyptic number.

27220023 is a deficient number, since it is larger than the sum of its proper divisors (14820297).

27220023 is a wasteful number, since it uses less digits than its factorization.

27220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 27220023 is about 5217.2811885119. The cubic root of 27220023 is about 300.8126964270.

Adding to 27220023 its reverse (32002272), we get a palindrome (59222295).

The spelling of 27220023 in words is "twenty-seven million, two hundred twenty thousand, twenty-three".