2221499040 has 96 divisors (see below), whose sum is σ = 7067160576. Its totient is φ = 586521600.

The previous prime is 2221499009. The next prime is 2221499047. The reversal of 2221499040 is 409941222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2221498992 and 2221499010.

It is not an unprimeable number, because it can be changed into a prime (2221499047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25569 + ... + 71391.

It is an arithmetic number, because the mean of its divisors is an integer number (73616256).

Almost surely, 2^2221499040 is an apocalyptic number.

2221499040 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 2221499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3533580288).

2221499040 is an abundant number, since it is smaller than the sum of its proper divisors (4845661536).

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

2221499040 is a wasteful number, since it uses less digits than its factorization.

2221499040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45942 (or 45934 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2221499040 is about 47132.7809491441. The cubic root of 2221499040 is about 1304.8143068970.

The spelling of 2221499040 in words is "two billion, two hundred twenty-one million, four hundred ninety-nine thousand, forty".