815159341222 has 16 divisors (see below), whose sum is σ = 1241010867744. Its totient is φ = 401498776000.

The previous prime is 815159341219. The next prime is 815159341231. The reversal of 815159341222 is 222143951518.

815159341222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262679 + ... + 2598082.

It is an arithmetic number, because the mean of its divisors is an integer number (77563179234).

Almost surely, 2^815159341222 is an apocalyptic number.

815159341222 is a deficient number, since it is larger than the sum of its proper divisors (425851526522).

815159341222 is a wasteful number, since it uses less digits than its factorization.

815159341222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862015.

The product of its digits is 172800, while the sum is 43.

The spelling of 815159341222 in words is "eight hundred fifteen billion, one hundred fifty-nine million, three hundred forty-one thousand, two hundred twenty-two".