102222636400 has 60 divisors (see below), whose sum is σ = 253512169024. Its totient is φ = 39570048000.

The previous prime is 102222636391. The next prime is 102222636401. The reversal of 102222636400 is 4636222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222636401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4109481 + ... + 4134280.

Almost surely, 2^102222636400 is an apocalyptic number.

102222636400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222636400 is an abundant number, since it is smaller than the sum of its proper divisors (151289532624).

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

102222636400 is a wasteful number, since it uses less digits than its factorization.

102222636400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243810 (or 8243799 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 102222636400 its reverse (4636222201), we get a palindrome (106858858601).

The spelling of 102222636400 in words is "one hundred two billion, two hundred twenty-two million, six hundred thirty-six thousand, four hundred".