2220211312 has 20 divisors (see below), whose sum is σ = 4692719736. Its totient is φ = 1009186880.

The previous prime is 2220211291. The next prime is 2220211337. The reversal of 2220211312 is 2131120222.

It is a happy number.

It is a super-2 number, since 2×2220211312² = 9858676539865522688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6307243 + ... + 6307594.

Almost surely, 2^2220211312 is an apocalyptic number.

2220211312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2220211312 is an abundant number, since it is smaller than the sum of its proper divisors (2472508424).

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

2220211312 is a wasteful number, since it uses less digits than its factorization.

2220211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614856 (or 12614850 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2220211312 is about 47119.1183279144. The cubic root of 2220211312 is about 1304.5621392311.

Adding to 2220211312 its reverse (2131120222), we get a palindrome (4351331534).

The spelling of 2220211312 in words is "two billion, two hundred twenty million, two hundred eleven thousand, three hundred twelve".