2219371440 has 160 divisors (see below), whose sum is σ = 8082982656. Its totient is φ = 496634880.

The previous prime is 2219371397. The next prime is 2219371457. The reversal of 2219371440 is 441739122.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1987 + ... + 66653.

Almost surely, 2^2219371440 is an apocalyptic number.

2219371440 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 2219371440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4041491328).

2219371440 is an abundant number, since it is smaller than the sum of its proper divisors (5863611216).

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

2219371440 is a wasteful number, since it uses less digits than its factorization.

2219371440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64707 (or 64701 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2219371440 is about 47110.2052638279. The cubic root of 2219371440 is about 1304.3976198459.

The spelling of 2219371440 in words is "two billion, two hundred nineteen million, three hundred seventy-one thousand, four hundred forty".