402220230331 has 8 divisors (see below), whose sum is σ = 402494977584. Its totient is φ = 401945568480.

The previous prime is 402220230319. The next prime is 402220230341. The reversal of 402220230331 is 133032022204.

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 402220230331 - 2³³ = 393630295739 is a prime.

It is a super-2 number, since 2×402220230331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402220230341) 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, 11400340 + ... + 11435566.

It is an arithmetic number, because the mean of its divisors is an integer number (50311872198).

Almost surely, 2^402220230331 is an apocalyptic number.

402220230331 is a deficient number, since it is larger than the sum of its proper divisors (274747253).

402220230331 is a wasteful number, since it uses less digits than its factorization.

402220230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42701.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 402220230331 its reverse (133032022204), we get a palindrome (535252252535).

The spelling of 402220230331 in words is "four hundred two billion, two hundred twenty million, two hundred thirty thousand, three hundred thirty-one".