402342444222 has 8 divisors (see below), whose sum is σ = 804684888456. Its totient is φ = 134114148072.

The previous prime is 402342444209. The next prime is 402342444233. The reversal of 402342444222 is 222444243204.

It is a happy number.

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

402342444222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33528537013 + ... + 33528537024.

It is an arithmetic number, because the mean of its divisors is an integer number (100585611057).

Almost surely, 2^402342444222 is an apocalyptic number.

402342444222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402342444222 is a wasteful number, since it uses less digits than its factorization.

402342444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67057074042.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 402342444222 its reverse (222444243204), we get a palindrome (624786687426).

The spelling of 402342444222 in words is "four hundred two billion, three hundred forty-two million, four hundred forty-four thousand, two hundred twenty-two".