102225401555 has 32 divisors (see below), whose sum is σ = 132127614720. Its totient is φ = 75643729920.

The previous prime is 102225401539. The next prime is 102225401561. The reversal of 102225401555 is 555104522201.

It is a happy number.

It is not a de Polignac number, because 102225401555 - 2⁴ = 102225401539 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6613526 + ... + 6628964.

It is an arithmetic number, because the mean of its divisors is an integer number (4128987960).

Almost surely, 2^102225401555 is an apocalyptic number.

102225401555 is a deficient number, since it is larger than the sum of its proper divisors (29902213165).

102225401555 is a wasteful number, since it uses less digits than its factorization.

102225401555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16799.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 102225401555 its reverse (555104522201), we get a palindrome (657329923756).

The spelling of 102225401555 in words is "one hundred two billion, two hundred twenty-five million, four hundred one thousand, five hundred fifty-five".