42206269 has 4 divisors (see below), whose sum is σ = 48235744. Its totient is φ = 36176796.

The previous prime is 42206267. The next prime is 42206279. The reversal of 42206269 is 96260224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42206269 - 2¹ = 42206267 is a prime.

It is a super-2 number, since 2×42206269² = 3562738285800722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42206269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42206267) 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, 3014727 + ... + 3014740.

It is an arithmetic number, because the mean of its divisors is an integer number (12058936).

Almost surely, 2^42206269 is an apocalyptic number.

It is an amenable number.

42206269 is a deficient number, since it is larger than the sum of its proper divisors (6029475).

42206269 is an equidigital number, since it uses as much as digits as its factorization.

42206269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029474.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 42206269 is about 6496.6352060124. The cubic root of 42206269 is about 348.1707803370.

The spelling of 42206269 in words is "forty-two million, two hundred six thousand, two hundred sixty-nine".