155630552022 has 48 divisors (see below), whose sum is σ = 369221645520. Its totient is φ = 46985438400.

The previous prime is 155630551987. The next prime is 155630552029. The reversal of 155630552022 is 220255036551.

155630552022 is a `hidden beast` number, since 1 + 5 + 56 + 30 + 552 + 0 + 22 = 666.

155630552022 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 not an unprimeable number, because it can be changed into a prime (155630552029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407729 + ... + 1514252.

It is an arithmetic number, because the mean of its divisors is an integer number (7692117615).

Almost surely, 2^155630552022 is an apocalyptic number.

155630552022 is an abundant number, since it is smaller than the sum of its proper divisors (213591093498).

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

155630552022 is a wasteful number, since it uses less digits than its factorization.

155630552022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922269 (or 2922266 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 155630552022 its reverse (220255036551), we get a palindrome (375885588573).

The spelling of 155630552022 in words is "one hundred fifty-five billion, six hundred thirty million, five hundred fifty-two thousand, twenty-two".