2211373872 has 120 divisors (see below), whose sum is σ = 6795721296. Its totient is φ = 693743616.

The previous prime is 2211373861. The next prime is 2211373877. The reversal of 2211373872 is 2783731122.

2211373872 is a `hidden beast` number, since 2 + 211 + 373 + 8 + 72 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2211373877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49368 + ... + 82824.

Almost surely, 2^2211373872 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 2211373872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397860648).

2211373872 is an abundant number, since it is smaller than the sum of its proper divisors (4584347424).

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

2211373872 is a wasteful number, since it uses less digits than its factorization.

2211373872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33497 (or 33479 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 2211373872 is about 47025.2471763839. The cubic root of 2211373872 is about 1302.8289227663.

The spelling of 2211373872 in words is "two billion, two hundred eleven million, three hundred seventy-three thousand, eight hundred seventy-two".