2219311464 has 32 divisors (see below), whose sum is σ = 5552910720. Its totient is φ = 739152896.

The previous prime is 2219311463. The next prime is 2219311487. The reversal of 2219311464 is 4641139122.

It is not an unprimeable number, because it can be changed into a prime (2219311463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8784 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (173528460).

Almost surely, 2^2219311464 is an apocalyptic number.

2219311464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2219311464 is an abundant number, since it is smaller than the sum of its proper divisors (3333599256).

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

2219311464 is a wasteful number, since it uses less digits than its factorization.

2219311464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77209 (or 77205 counting only the distinct ones).

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

The square root of 2219311464 is about 47109.5687095520. The cubic root of 2219311464 is about 1304.3858697839.

The spelling of 2219311464 in words is "two billion, two hundred nineteen million, three hundred eleven thousand, four hundred sixty-four".