2210974440 has 128 divisors (see below), whose sum is σ = 7041323520. Its totient is φ = 553472000.

The previous prime is 2210974439. The next prime is 2210974481. The reversal of 2210974440 is 444790122.

It is a Cunningham number, because it is equal to 47021²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939265 + ... + 941615.

It is an arithmetic number, because the mean of its divisors is an integer number (55010340).

Almost surely, 2^2210974440 is an apocalyptic number.

2210974440 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 2210974440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3520661760).

2210974440 is an abundant number, since it is smaller than the sum of its proper divisors (4830349080).

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

2210974440 is a wasteful number, since it uses less digits than its factorization.

2210974440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2210974440 is about 47020.9999893665. Note that the first 4 decimals coincide. The cubic root of 2210974440 is about 1302.7504763754.

The spelling of 2210974440 in words is "two billion, two hundred ten million, nine hundred seventy-four thousand, four hundred forty".