42227001 has 20 divisors (see below), whose sum is σ = 63888000. Its totient is φ = 27790776.

The previous prime is 42226981. The next prime is 42227023. The reversal of 42227001 is 10072224.

It is not a de Polignac number, because 42227001 - 2⁵ = 42226969 is a prime.

It is a super-2 number, since 2×42227001² = 3566239226908002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42227041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3100 + ... + 9698.

It is an arithmetic number, because the mean of its divisors is an integer number (3194400).

Almost surely, 2^42227001 is an apocalyptic number.

It is an amenable number.

42227001 is a deficient number, since it is larger than the sum of its proper divisors (21660999).

42227001 is an equidigital number, since it uses as much as digits as its factorization.

42227001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 42227001 is about 6498.2306053263. The cubic root of 42227001 is about 348.2277789395.

Adding to 42227001 its reverse (10072224), we get a palindrome (52299225).

The spelling of 42227001 in words is "forty-two million, two hundred twenty-seven thousand, one".