27220412 has 12 divisors (see below), whose sum is σ = 47822880. Its totient is φ = 13556736.

The previous prime is 27220411. The next prime is 27220439. The reversal of 27220412 is 21402272.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27220411) 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, 12212 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (3985240).

Almost surely, 2^27220412 is an apocalyptic number.

It is an amenable number.

27220412 is a deficient number, since it is larger than the sum of its proper divisors (20602468).

27220412 is a wasteful number, since it uses less digits than its factorization.

27220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740 (or 26738 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 27220412 is about 5217.3184683322. The cubic root of 27220412 is about 300.8141293867.

Adding to 27220412 its reverse (21402272), we get a palindrome (48622684).

The spelling of 27220412 in words is "twenty-seven million, two hundred twenty thousand, four hundred twelve".