442345227 has 4 divisors (see below), whose sum is σ = 589793640. Its totient is φ = 294896816.

The previous prime is 442345199. The next prime is 442345237. The reversal of 442345227 is 722543244.

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

It is a cyclic number.

It is not a de Polignac number, because 442345227 - 2¹² = 442341131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442345237) 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, 73724202 + ... + 73724207.

It is an arithmetic number, because the mean of its divisors is an integer number (147448410).

Almost surely, 2^442345227 is an apocalyptic number.

442345227 is a deficient number, since it is larger than the sum of its proper divisors (147448413).

442345227 is a wasteful number, since it uses less digits than its factorization.

442345227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147448412.

The product of its digits is 53760, while the sum is 33.

The square root of 442345227 is about 21032.0048259789. The cubic root of 442345227 is about 761.9394296755.

The spelling of 442345227 in words is "four hundred forty-two million, three hundred forty-five thousand, two hundred twenty-seven".