212225060 has 48 divisors (see below), whose sum is σ = 470447040. Its totient is φ = 80196480.

The previous prime is 212225053. The next prime is 212225087. The reversal of 212225060 is 60522212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207350 + ... + 208370.

It is an arithmetic number, because the mean of its divisors is an integer number (9800980).

Almost surely, 2^212225060 is an apocalyptic number.

212225060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212225060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235223520).

212225060 is an abundant number, since it is smaller than the sum of its proper divisors (258221980).

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

212225060 is a wasteful number, since it uses less digits than its factorization.

212225060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212225060 is about 14567.9463206040. The cubic root of 212225060 is about 596.4841231098.

Adding to 212225060 its reverse (60522212), we get a palindrome (272747272).

The spelling of 212225060 in words is "two hundred twelve million, two hundred twenty-five thousand, sixty".