2211887072 has 48 divisors (see below), whose sum is σ = 4549608000. Its totient is φ = 1057190400.

The previous prime is 2211887063. The next prime is 2211887081. The reversal of 2211887072 is 2707881122.

It is an interprime number because it is at equal distance from previous prime (2211887063) and next prime (2211887081).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81929 + ... + 105527.

It is an arithmetic number, because the mean of its divisors is an integer number (94783500).

Almost surely, 2^2211887072 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 2211887072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274804000).

2211887072 is an abundant number, since it is smaller than the sum of its proper divisors (2337720928).

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

2211887072 is a wasteful number, since it uses less digits than its factorization.

2211887072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23739 (or 23731 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 2211887072 is about 47030.7035031372. The cubic root of 2211887072 is about 1302.9296987433.

The spelling of 2211887072 in words is "two billion, two hundred eleven million, eight hundred eighty-seven thousand, seventy-two".