402223312242 has 24 divisors (see below), whose sum is σ = 875614106640. Its totient is φ = 133439012280.

The previous prime is 402223312241. The next prime is 402223312243. The reversal of 402223312242 is 242213322204.

402223312242 is a `hidden beast` number, since 402 + 2 + 2 + 3 + 3 + 12 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (402223312241) and next prime (402223312243).

It is not an unprimeable number, because it can be changed into a prime (402223312241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52948192 + ... + 52955787.

It is an arithmetic number, because the mean of its divisors is an integer number (36483921110).

Almost surely, 2^402223312242 is an apocalyptic number.

402223312242 is an abundant number, since it is smaller than the sum of its proper divisors (473390794398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402223312242 is a wasteful number, since it uses less digits than its factorization.

402223312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105904198 (or 105904195 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 402223312242 its reverse (242213322204), we get a palindrome (644436634446).

The spelling of 402223312242 in words is "four hundred two billion, two hundred twenty-three million, three hundred twelve thousand, two hundred forty-two".