122203220 has 24 divisors (see below), whose sum is σ = 256864608. Its totient is φ = 48836000.

The previous prime is 122203201. The next prime is 122203223. The reversal of 122203220 is 22302221.

It is a junction number, because it is equal to n+sod(n) for n = 122203195 and 122203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122203223) 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, 26915 + ... + 31125.

It is an arithmetic number, because the mean of its divisors is an integer number (10702692).

Almost surely, 2^122203220 is an apocalyptic number.

122203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122203220 is an abundant number, since it is smaller than the sum of its proper divisors (134661388).

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

122203220 is a wasteful number, since it uses less digits than its factorization.

122203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671 (or 5669 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 122203220 is about 11054.5565266093. The cubic root of 122203220 is about 496.2427975783.

Adding to 122203220 its reverse (22302221), we get a palindrome (144505441).

Subtracting from 122203220 its reverse (22302221), we obtain a palindrome (99900999).

The spelling of 122203220 in words is "one hundred twenty-two million, two hundred three thousand, two hundred twenty".