102228878532 has 48 divisors (see below), whose sum is σ = 260280965952. Its totient is φ = 30971066880.

The previous prime is 102228878509. The next prime is 102228878537. The reversal of 102228878532 is 235878822201.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (102228878537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477088 + ... + 657320.

It is an arithmetic number, because the mean of its divisors is an integer number (5422520124).

Almost surely, 2^102228878532 is an apocalyptic number.

102228878532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102228878532 is an abundant number, since it is smaller than the sum of its proper divisors (158052087420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102228878532 is a wasteful number, since it uses less digits than its factorization.

102228878532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184548 (or 184546 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 102228878532 in words is "one hundred two billion, two hundred twenty-eight million, eight hundred seventy-eight thousand, five hundred thirty-two".