122226203500 has 48 divisors (see below), whose sum is σ = 267608158272. Its totient is φ = 48768480000.

The previous prime is 122226203479. The next prime is 122226203513. The reversal of 122226203500 is 5302622221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104304 + ... + 505303.

It is an arithmetic number, because the mean of its divisors is an integer number (5575169964).

Almost surely, 2^122226203500 is an apocalyptic number.

122226203500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122226203500 is an abundant number, since it is smaller than the sum of its proper divisors (145381954772).

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

122226203500 is a wasteful number, since it uses less digits than its factorization.

122226203500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610027 (or 610015 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 122226203500 its reverse (5302622221), we get a palindrome (127528825721).

The spelling of 122226203500 in words is "one hundred twenty-two billion, two hundred twenty-six million, two hundred three thousand, five hundred".