102220010228 has 24 divisors (see below), whose sum is σ = 204486201024. Its totient is φ = 43798680000.

The previous prime is 102220010227. The next prime is 102220010251. The reversal of 102220010228 is 822010022201.

It is a happy number.

It is a super-2 number, since 2×102220010228² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220010227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285473 + ... + 534728.

It is an arithmetic number, because the mean of its divisors is an integer number (8520258376).

Almost surely, 2^102220010228 is an apocalyptic number.

It is an amenable number.

102220010228 is an abundant number, since it is smaller than the sum of its proper divisors (102266190796).

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

102220010228 is a wasteful number, since it uses less digits than its factorization.

102220010228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824663 (or 824661 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102220010228 its reverse (822010022201), we get a palindrome (924230032429).

The spelling of 102220010228 in words is "one hundred two billion, two hundred twenty million, ten thousand, two hundred twenty-eight".