1228583155 has 8 divisors (see below), whose sum is σ = 1475587584. Its totient is φ = 982008000.

The previous prime is 1228583123. The next prime is 1228583177. The reversal of 1228583155 is 5513858221.

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

It is not a de Polignac number, because 1228583155 - 2⁵ = 1228583123 is a prime.

It is a super-3 number, since 3×1228583155³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian 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, 100986 + ... + 112495.

It is an arithmetic number, because the mean of its divisors is an integer number (184448448).

Almost surely, 2^1228583155 is an apocalyptic number.

1228583155 is a deficient number, since it is larger than the sum of its proper divisors (247004429).

1228583155 is a wasteful number, since it uses less digits than its factorization.

1228583155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214637.

The product of its digits is 96000, while the sum is 40.

The square root of 1228583155 is about 35051.1505517294. The cubic root of 1228583155 is about 1071.0297115690.

The spelling of 1228583155 in words is "one billion, two hundred twenty-eight million, five hundred eighty-three thousand, one hundred fifty-five".