155022422 has 8 divisors (see below), whose sum is σ = 246212136. Its totient is φ = 72951712.

The previous prime is 155022419. The next prime is 155022433. The reversal of 155022422 is 224220551.

155022422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 2279708 + ... + 2279775.

It is an arithmetic number, because the mean of its divisors is an integer number (30776517).

Almost surely, 2^155022422 is an apocalyptic number.

155022422 is a deficient number, since it is larger than the sum of its proper divisors (91189714).

155022422 is a wasteful number, since it uses less digits than its factorization.

155022422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559502.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 155022422 is about 12450.8000546150. The cubic root of 155022422 is about 537.1944361658.

Adding to 155022422 its reverse (224220551), we get a palindrome (379242973).

The spelling of 155022422 in words is "one hundred fifty-five million, twenty-two thousand, four hundred twenty-two".