155122556822 has 8 divisors (see below), whose sum is σ = 232946164656. Its totient is φ = 77473835272.

The previous prime is 155122556783. The next prime is 155122556873. The reversal of 155122556822 is 228655221551.

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

It is a super-3 number, since 3×155122556822³ (a number of 35 digits) contains 333 as substring.

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, 43719353 + ... + 43722900.

It is an arithmetic number, because the mean of its divisors is an integer number (29118270582).

Almost surely, 2^155122556822 is an apocalyptic number.

155122556822 is a deficient number, since it is larger than the sum of its proper divisors (77823607834).

155122556822 is an equidigital number, since it uses as much as digits as its factorization.

155122556822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87443142.

The product of its digits is 480000, while the sum is 44.

The spelling of 155122556822 in words is "one hundred fifty-five billion, one hundred twenty-two million, five hundred fifty-six thousand, eight hundred twenty-two".