102022788 has 48 divisors (see below), whose sum is σ = 274627584. Its totient is φ = 28874400.

The previous prime is 102022787. The next prime is 102022793. The reversal of 102022788 is 887220201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102022787) 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, 3313 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (5721408).

Almost surely, 2^102022788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102022788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137313792).

102022788 is an abundant number, since it is smaller than the sum of its proper divisors (172604796).

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

102022788 is a wasteful number, since it uses less digits than its factorization.

102022788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11472 (or 11470 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 102022788 is about 10100.6330494677. The cubic root of 102022788 is about 467.2676653515.

Adding to 102022788 its reverse (887220201), we get a palindrome (989242989).

The spelling of 102022788 in words is "one hundred two million, twenty-two thousand, seven hundred eighty-eight".