42223811 has 8 divisors (see below), whose sum is σ = 48609120. Its totient is φ = 35926848.

The previous prime is 42223793. The next prime is 42223823. The reversal of 42223811 is 11832224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42223811 - 2⁶ = 42223747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42225811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21056 + ... + 22973.

It is an arithmetic number, because the mean of its divisors is an integer number (6076140).

Almost surely, 2^42223811 is an apocalyptic number.

42223811 is a deficient number, since it is larger than the sum of its proper divisors (6385309).

42223811 is a wasteful number, since it uses less digits than its factorization.

42223811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44173.

The product of its digits is 768, while the sum is 23.

The square root of 42223811 is about 6497.9851492597. The cubic root of 42223811 is about 348.2190098695.

It can be divided in two parts, 42223 and 811, that added together give a palindrome (43034).

The spelling of 42223811 in words is "forty-two million, two hundred twenty-three thousand, eight hundred eleven".