42221240331 has 8 divisors (see below), whose sum is σ = 58236193680. Its totient is φ = 27176890272.

The previous prime is 42221240293. The next prime is 42221240333. The reversal of 42221240331 is 13304212224.

It is a happy number.

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

It is not a de Polignac number, because 42221240331 - 2²¹ = 42219143179 is a prime.

It is a super-2 number, since 2×42221240331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42221240333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242650720 + ... + 242650893.

It is an arithmetic number, because the mean of its divisors is an integer number (7279524210).

Almost surely, 2^42221240331 is an apocalyptic number.

42221240331 is a deficient number, since it is larger than the sum of its proper divisors (16014953349).

42221240331 is a wasteful number, since it uses less digits than its factorization.

42221240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485301645.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42221240331 its reverse (13304212224), we get a palindrome (55525452555).

The spelling of 42221240331 in words is "forty-two billion, two hundred twenty-one million, two hundred forty thousand, three hundred thirty-one".