42234220231 has 16 divisors (see below), whose sum is σ = 49895958528. Its totient is φ = 34982892000.

The previous prime is 42234220183. The next prime is 42234220261. The reversal of 42234220231 is 13202243224.

It is not a de Polignac number, because 42234220231 - 2⁷ = 42234220103 is a prime.

It is a super-2 number, since 2×42234220231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42234220196 and 42234220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234220261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13296 + ... + 290938.

It is an arithmetic number, because the mean of its divisors is an integer number (3118497408).

Almost surely, 2^42234220231 is an apocalyptic number.

42234220231 is a deficient number, since it is larger than the sum of its proper divisors (7661738297).

42234220231 is a wasteful number, since it uses less digits than its factorization.

42234220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278382.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42234220231 its reverse (13202243224), we get a palindrome (55436463455).

The spelling of 42234220231 in words is "forty-two billion, two hundred thirty-four million, two hundred twenty thousand, two hundred thirty-one".