402222431143 has 8 divisors (see below), whose sum is σ = 434221701200. Its totient is φ = 370374458688.

The previous prime is 402222431137. The next prime is 402222431197. The reversal of 402222431143 is 341134222204.

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

It is not a de Polignac number, because 402222431143 - 2⁵ = 402222431111 is a prime.

It is a super-2 number, since 2×402222431143² (a number of 24 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 (402222431543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37818873 + ... + 37829506.

It is an arithmetic number, because the mean of its divisors is an integer number (54277712650).

Almost surely, 2^402222431143 is an apocalyptic number.

402222431143 is a deficient number, since it is larger than the sum of its proper divisors (31999270057).

402222431143 is a wasteful number, since it uses less digits than its factorization.

402222431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75648801.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402222431143 its reverse (341134222204), we get a palindrome (743356653347).

The spelling of 402222431143 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirty-one thousand, one hundred forty-three".