1655554228 has 12 divisors (see below), whose sum is σ = 2903427072. Its totient is φ = 826003640.

The previous prime is 1655554177. The next prime is 1655554261. The reversal of 1655554228 is 8224555561.

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, 441268 + ... + 445003.

It is an arithmetic number, because the mean of its divisors is an integer number (241952256).

Almost surely, 2^1655554228 is an apocalyptic number.

It is an amenable number.

1655554228 is a deficient number, since it is larger than the sum of its proper divisors (1247872844).

1655554228 is a wasteful number, since it uses less digits than its factorization.

1655554228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886742 (or 886740 counting only the distinct ones).

The product of its digits is 480000, while the sum is 43.

The square root of 1655554228 is about 40688.5024054708. The cubic root of 1655554228 is about 1182.9901727600.

The spelling of 1655554228 in words is "one billion, six hundred fifty-five million, five hundred fifty-four thousand, two hundred twenty-eight".