155067422 has 4 divisors (see below), whose sum is σ = 232601136. Its totient is φ = 77533710.

The previous prime is 155067391. The next prime is 155067439. The reversal of 155067422 is 224760551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224760551 = 181 ⋅1241771.

It is a super-3 number, since 3×155067422³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38766854 + ... + 38766857.

It is an arithmetic number, because the mean of its divisors is an integer number (58150284).

Almost surely, 2^155067422 is an apocalyptic number.

155067422 is a deficient number, since it is larger than the sum of its proper divisors (77533714).

155067422 is an equidigital number, since it uses as much as digits as its factorization.

155067422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77533713.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 155067422 is about 12452.6070362796. The cubic root of 155067422 is about 537.2464101763.

The spelling of 155067422 in words is "one hundred fifty-five million, sixty-seven thousand, four hundred twenty-two".