12225020 has 24 divisors (see below), whose sum is σ = 25880064. Its totient is φ = 4850496.

The previous prime is 12224981. The next prime is 12225041. The reversal of 12225020 is 2052221.

It is a super-2 number, since 2×12225020² = 298902228000800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12224986 and 12225004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (1078336).

Almost surely, 2^12225020 is an apocalyptic number.

12225020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12225020 is an abundant number, since it is smaller than the sum of its proper divisors (13655044).

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

12225020 is a wasteful number, since it uses less digits than its factorization.

12225020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12225020 is about 3496.4296074710. The cubic root of 12225020 is about 230.3650158672.

Adding to 12225020 its reverse (2052221), we get a palindrome (14277241).

The spelling of 12225020 in words is "twelve million, two hundred twenty-five thousand, twenty".