3100212220 has 48 divisors (see below), whose sum is σ = 7444781568. Its totient is φ = 1062319680.

The previous prime is 3100212187. The next prime is 3100212221. The reversal of 3100212220 is 222120013.

It is a super-2 number, since 2×3100212220² = 19222631618074656800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3100212220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286305 + ... + 296935.

It is an arithmetic number, because the mean of its divisors is an integer number (155099616).

Almost surely, 2^3100212220 is an apocalyptic number.

It is an amenable number.

3100212220 is an abundant number, since it is smaller than the sum of its proper divisors (4344569348).

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

3100212220 is a wasteful number, since it uses less digits than its factorization.

3100212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12730 (or 12728 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3100212220 is about 55679.5493875444. The cubic root of 3100212220 is about 1458.1330079627.

Adding to 3100212220 its reverse (222120013), we get a palindrome (3322332233).

The spelling of 3100212220 in words is "three billion, one hundred million, two hundred twelve thousand, two hundred twenty".