155432224022 has 16 divisors (see below), whose sum is σ = 234112436352. Its totient is φ = 77394892800.

The previous prime is 155432224019. The next prime is 155432224091. The reversal of 155432224022 is 220422234551.

It is a self number, because there is not a number n which added to its sum of digits gives 155432224022.

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, 2213147 + ... + 2282297.

It is an arithmetic number, because the mean of its divisors is an integer number (14632027272).

Almost surely, 2^155432224022 is an apocalyptic number.

155432224022 is a deficient number, since it is larger than the sum of its proper divisors (78680212330).

155432224022 is a wasteful number, since it uses less digits than its factorization.

155432224022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73783.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 155432224022 its reverse (220422234551), we get a palindrome (375854458573).

The spelling of 155432224022 in words is "one hundred fifty-five billion, four hundred thirty-two million, two hundred twenty-four thousand, twenty-two".