42422047 has 4 divisors (see below), whose sum is σ = 42933240. Its totient is φ = 41910856.

The previous prime is 42422033. The next prime is 42422053. The reversal of 42422047 is 74022424.

It is a happy number.

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 42422047 - 2¹¹ = 42419999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422027) 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, 255472 + ... + 255637.

It is an arithmetic number, because the mean of its divisors is an integer number (10733310).

Almost surely, 2^42422047 is an apocalyptic number.

42422047 is a deficient number, since it is larger than the sum of its proper divisors (511193).

42422047 is an equidigital number, since it uses as much as digits as its factorization.

42422047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511192.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 42422047 is about 6513.2209389825. The cubic root of 42422047 is about 348.7631088370.

The spelling of 42422047 in words is "forty-two million, four hundred twenty-two thousand, forty-seven".