42220627 has 4 divisors (see below), whose sum is σ = 42630640. Its totient is φ = 41810616.

The previous prime is 42220613. The next prime is 42220631. The reversal of 42220627 is 72602224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42220627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42220637) 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 3 ways as a sum of consecutive naturals, for example, 204852 + ... + 205057.

It is an arithmetic number, because the mean of its divisors is an integer number (10657660).

Almost surely, 2^42220627 is an apocalyptic number.

42220627 is a deficient number, since it is larger than the sum of its proper divisors (410013).

42220627 is a wasteful number, since it uses less digits than its factorization.

42220627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410012.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 42220627 is about 6497.7401456199. The cubic root of 42220627 is about 348.2102568525.

The spelling of 42220627 in words is "forty-two million, two hundred twenty thousand, six hundred twenty-seven".