42022507 has 4 divisors (see below), whose sum is σ = 42494760. Its totient is φ = 41550256.

The previous prime is 42022501. The next prime is 42022511. The reversal of 42022507 is 70522024.

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-42022507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42022501) 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, 235993 + ... + 236170.

It is an arithmetic number, because the mean of its divisors is an integer number (10623690).

Almost surely, 2^42022507 is an apocalyptic number.

42022507 is a deficient number, since it is larger than the sum of its proper divisors (472253).

42022507 is an equidigital number, since it uses as much as digits as its factorization.

42022507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472252.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 42022507 is about 6482.4769185860. The cubic root of 42022507 is about 347.6647446164.

The spelling of 42022507 in words is "forty-two million, twenty-two thousand, five hundred seven".