2211224940 has 192 divisors, whose sum is σ = 7302758400. Its totient is φ = 553900032.

The previous prime is 2211224881. The next prime is 2211224963. The reversal of 2211224940 is 494221122.

2211224940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1302172 + ... + 1303868.

It is an arithmetic number, because the mean of its divisors is an integer number (38035200).

Almost surely, 2^2211224940 is an apocalyptic number.

2211224940 is a gapful number since it is divisible by the number (20) 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 2211224940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3651379200).

2211224940 is an abundant number, since it is smaller than the sum of its proper divisors (5091533460).

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

2211224940 is a wasteful number, since it uses less digits than its factorization.

2211224940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2211224940 is about 47023.6636173746. The cubic root of 2211224940 is about 1302.7996743918.

The spelling of 2211224940 in words is "two billion, two hundred eleven million, two hundred twenty-four thousand, nine hundred forty".