402231021214 has 16 divisors (see below), whose sum is σ = 658269616896. Its totient is φ = 182811893400.

The previous prime is 402231021173. The next prime is 402231021217. The reversal of 402231021214 is 412120132204.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402231021217) 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, 816792 + ... + 1213099.

It is an arithmetic number, because the mean of its divisors is an integer number (41141851056).

Almost surely, 2^402231021214 is an apocalyptic number.

402231021214 is a deficient number, since it is larger than the sum of its proper divisors (256038595682).

402231021214 is a wasteful number, since it uses less digits than its factorization.

402231021214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038911.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402231021214 its reverse (412120132204), we get a palindrome (814351153418).

The spelling of 402231021214 in words is "four hundred two billion, two hundred thirty-one million, twenty-one thousand, two hundred fourteen".