42232221311 has 4 divisors (see below), whose sum is σ = 48265395792. Its totient is φ = 36199046832.

The previous prime is 42232221301. The next prime is 42232221313. The reversal of 42232221311 is 11312223224.

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 42232221311 - 2²² = 42228027007 is a prime.

It is a super-2 number, since 2×42232221311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42232221313) 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, 3016587230 + ... + 3016587243.

It is an arithmetic number, because the mean of its divisors is an integer number (12066348948).

Almost surely, 2^42232221311 is an apocalyptic number.

42232221311 is a deficient number, since it is larger than the sum of its proper divisors (6033174481).

42232221311 is an equidigital number, since it uses as much as digits as its factorization.

42232221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033174480.

The product of its digits is 1152, while the sum is 23.

Adding to 42232221311 its reverse (11312223224), we get a palindrome (53544444535).

The spelling of 42232221311 in words is "forty-two billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred eleven".