342215226516 has 96 divisors (see below), whose sum is σ = 853144685568. Its totient is φ = 106531729920.

The previous prime is 342215226503. The next prime is 342215226553. The reversal of 342215226516 is 615622512243.

It is a super-2 number, since 2×342215226516² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2007711 + ... + 2171481.

It is an arithmetic number, because the mean of its divisors is an integer number (8886923808).

Almost surely, 2^342215226516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342215226516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426572342784).

342215226516 is an abundant number, since it is smaller than the sum of its proper divisors (510929459052).

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

342215226516 is a wasteful number, since it uses less digits than its factorization.

342215226516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163981 (or 163979 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

Adding to 342215226516 its reverse (615622512243), we get a palindrome (957837738759).

The spelling of 342215226516 in words is "three hundred forty-two billion, two hundred fifteen million, two hundred twenty-six thousand, five hundred sixteen".