27224012 has 12 divisors (see below), whose sum is σ = 47843040. Its totient is φ = 13554576.

The previous prime is 27224003. The next prime is 27224039. The reversal of 27224012 is 21042272.

It is a happy number.

It is a super-2 number, since 2×27224012² = 1482293658752288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13283 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (3986920).

Almost surely, 2^27224012 is an apocalyptic number.

It is an amenable number.

27224012 is a deficient number, since it is larger than the sum of its proper divisors (20619028).

27224012 is a wasteful number, since it uses less digits than its factorization.

27224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28720 (or 28718 counting only the distinct ones).

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

The square root of 27224012 is about 5217.6634617422. The cubic root of 27224012 is about 300.8273900619.

Adding to 27224012 its reverse (21042272), we get a palindrome (48266284).

The spelling of 27224012 in words is "twenty-seven million, two hundred twenty-four thousand, twelve".