155228888 has 8 divisors (see below), whose sum is σ = 291054180. Its totient is φ = 77614440.

The previous prime is 155228869. The next prime is 155228897. The reversal of 155228888 is 888822551.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9701798 + ... + 9701813.

Almost surely, 2^155228888 is an apocalyptic number.

It is an amenable number.

155228888 is a deficient number, since it is larger than the sum of its proper divisors (135825292).

155228888 is a wasteful number, since it uses less digits than its factorization.

155228888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19403617 (or 19403613 counting only the distinct ones).

The product of its digits is 409600, while the sum is 47.

The square root of 155228888 is about 12459.0885701965. The cubic root of 155228888 is about 537.4328171304.

The spelling of 155228888 in words is "one hundred fifty-five million, two hundred twenty-eight thousand, eight hundred eighty-eight".