2321220019 has 8 divisors (see below), whose sum is σ = 2327793408. Its totient is φ = 2314656960.

The previous prime is 2321219993. The next prime is 2321220079. The reversal of 2321220019 is 9100221232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2321220019 - 2²⁹ = 1784349107 is a prime.

It is a super-2 number, since 2×2321220019² = 10776124753212720722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321220079) 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, 668949 + ... + 672409.

It is an arithmetic number, because the mean of its divisors is an integer number (290974176).

Almost surely, 2^2321220019 is an apocalyptic number.

2321220019 is a deficient number, since it is larger than the sum of its proper divisors (6573389).

2321220019 is a wasteful number, since it uses less digits than its factorization.

2321220019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2321220019 is about 48179.0412835291. The cubic root of 2321220019 is about 1324.0532016710.

The spelling of 2321220019 in words is "two billion, three hundred twenty-one million, two hundred twenty thousand, nineteen".