155130552340222 has 4 divisors (see below), whose sum is σ = 232695828510336. Its totient is φ = 77565276170110.

The previous prime is 155130552340213. The next prime is 155130552340237. The reversal of 155130552340222 is 222043255031551.

155130552340222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38782638085054 + ... + 38782638085057.

It is an arithmetic number, because the mean of its divisors is an integer number (58173957127584).

Almost surely, 2^{155130552340222} is an apocalyptic number.

155130552340222 is a deficient number, since it is larger than the sum of its proper divisors (77565276170114).

155130552340222 is an equidigital number, since it uses as much as digits as its factorization.

155130552340222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77565276170113.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 155130552340222 in words is "one hundred fifty-five trillion, one hundred thirty billion, five hundred fifty-two million, three hundred forty thousand, two hundred twenty-two".