402222343 has 4 divisors (see below), whose sum is σ = 423391960. Its totient is φ = 381052728.

The previous prime is 402222323. The next prime is 402222347. The reversal of 402222343 is 343222204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402222343 - 2⁵ = 402222311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402222347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10584780 + ... + 10584817.

It is an arithmetic number, because the mean of its divisors is an integer number (105847990).

Almost surely, 2^402222343 is an apocalyptic number.

402222343 is a deficient number, since it is larger than the sum of its proper divisors (21169617).

402222343 is a wasteful number, since it uses less digits than its factorization.

402222343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21169616.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402222343 is about 20055.4816197468. The cubic root of 402222343 is about 738.1683107228.

Adding to 402222343 its reverse (343222204), we get a palindrome (745444547).

The spelling of 402222343 in words is "four hundred two million, two hundred twenty-two thousand, three hundred forty-three".