2211774912 has 84 divisors (see below), whose sum is σ = 6349970536. Its totient is φ = 736058880.

The previous prime is 2211774911. The next prime is 2211774913. The reversal of 2211774912 is 2194771122.

It is an interprime number because it is at equal distance from previous prime (2211774911) and next prime (2211774913).

It is a super-2 number, since 2×2211774912² = 9783896522705215488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211774911) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 395238 + ... + 400794.

Almost surely, 2^2211774912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211774912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3174985268).

2211774912 is an abundant number, since it is smaller than the sum of its proper divisors (4138195624).

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

2211774912 is a wasteful number, since it uses less digits than its factorization.

2211774912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266 (or 6253 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2211774912 is about 47029.5110754939. The cubic root of 2211774912 is about 1302.9076754572.

The spelling of 2211774912 in words is "two billion, two hundred eleven million, seven hundred seventy-four thousand, nine hundred twelve".