156212325066222 has 24 divisors (see below), whose sum is σ = 343227080430000. Its totient is φ = 51337383824160.

The previous prime is 156212325066199. The next prime is 156212325066247. The reversal of 156212325066222 is 222660523212651.

It is a happy number.

156212325066222 is a `hidden beast` number, since 1 + 5 + 6 + 2 + 12 + 3 + 2 + 5 + 0 + 6 + 622 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61115931847 + ... + 61115934402.

It is an arithmetic number, because the mean of its divisors is an integer number (14301128351250).

Almost surely, 2^{156212325066222} is an apocalyptic number.

156212325066222 is an abundant number, since it is smaller than the sum of its proper divisors (187014755363778).

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

156212325066222 is a wasteful number, since it uses less digits than its factorization.

156212325066222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122231866328 (or 122231866325 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

Adding to 156212325066222 its reverse (222660523212651), we get a palindrome (378872848278873).

The spelling of 156212325066222 in words is "one hundred fifty-six trillion, two hundred twelve billion, three hundred twenty-five million, sixty-six thousand, two hundred twenty-two".