42227527 has 2 divisors, whose sum is σ = 42227528. Its totient is φ = 42227526.

The previous prime is 42227489. The next prime is 42227531. The reversal of 42227527 is 72572224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42227527 - 2⁷ = 42227399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42227587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21113763 + 21113764.

It is an arithmetic number, because the mean of its divisors is an integer number (21113764).

Almost surely, 2^42227527 is an apocalyptic number.

42227527 is a deficient number, since it is larger than the sum of its proper divisors (1).

42227527 is an equidigital number, since it uses as much as digits as its factorization.

42227527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 31.

The square root of 42227527 is about 6498.2710777560. The cubic root of 42227527 is about 348.2292248315.

The spelling of 42227527 in words is "forty-two million, two hundred twenty-seven thousand, five hundred twenty-seven".