2221350912 has 336 divisors, whose sum is σ = 7321235040. Its totient is φ = 665026560.

The previous prime is 2221350877. The next prime is 2221350919. The reversal of 2221350912 is 2190531222.

It is a happy number.

2221350912 is a `hidden beast` number, since 2 + 221 + 350 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2221350919) 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, 26763223 + ... + 26763305.

It is an arithmetic number, because the mean of its divisors is an integer number (21789390).

Almost surely, 2^2221350912 is an apocalyptic number.

2221350912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221350912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3660617520).

2221350912 is an abundant number, since it is smaller than the sum of its proper divisors (5099884128).

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

2221350912 is an equidigital number, since it uses as much as digits as its factorization.

2221350912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2221350912 is about 47131.2095325380. The cubic root of 2221350912 is about 1304.7853048843.

The spelling of 2221350912 in words is "two billion, two hundred twenty-one million, three hundred fifty thousand, nine hundred twelve".