27222946 has 4 divisors (see below), whose sum is σ = 40834422. Its totient is φ = 13611472.

The previous prime is 27222911. The next prime is 27222947. The reversal of 27222946 is 64922272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 3651921 = 4855^2 + 1911^2 .

It is not an unprimeable number, because it can be changed into a prime (27222947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6805735 + ... + 6805738.

Almost surely, 2^27222946 is an apocalyptic number.

27222946 is a deficient number, since it is larger than the sum of its proper divisors (13611476).

27222946 is a wasteful number, since it uses less digits than its factorization.

27222946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611475.

The product of its digits is 24192, while the sum is 34.

The square root of 27222946 is about 5217.5613077376. The cubic root of 27222946 is about 300.8234635504.

The spelling of 27222946 in words is "twenty-seven million, two hundred twenty-two thousand, nine hundred forty-six".