2219322340 has 24 divisors (see below), whose sum is σ = 4663327032. Its totient is φ = 887205120.

The previous prime is 2219322323. The next prime is 2219322367. The reversal of 2219322340 is 432239122.

It can be written as a sum of positive squares in 4 ways, for example, as 390220516 + 1829101824 = 19754^2 + 42768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2219322299 and 2219322308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952 + ... + 66688.

It is an arithmetic number, because the mean of its divisors is an integer number (194305293).

Almost surely, 2^2219322340 is an apocalyptic number.

2219322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2219322340 is an abundant number, since it is smaller than the sum of its proper divisors (2444004692).

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

2219322340 is a wasteful number, since it uses less digits than its factorization.

2219322340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65487 (or 65485 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2219322340 is about 47109.6841424351. The cubic root of 2219322340 is about 1304.3880005465.

The spelling of 2219322340 in words is "two billion, two hundred nineteen million, three hundred twenty-two thousand, three hundred forty".