102228556 has 12 divisors (see below), whose sum is σ = 178978968. Its totient is φ = 51091712.

The previous prime is 102228551. The next prime is 102228571. The reversal of 102228556 is 655822201.

It is not an unprimeable number, because it can be changed into a prime (102228551) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8475 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (14914914).

Almost surely, 2^102228556 is an apocalyptic number.

It is an amenable number.

102228556 is a deficient number, since it is larger than the sum of its proper divisors (76750412).

102228556 is a wasteful number, since it uses less digits than its factorization.

102228556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288 (or 11286 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 102228556 is about 10110.8138149211. The cubic root of 102228556 is about 467.5815957552.

The spelling of 102228556 in words is "one hundred two million, two hundred twenty-eight thousand, five hundred fifty-six".