2201021219 has 4 divisors (see below), whose sum is σ = 2210467896. Its totient is φ = 2191574544.

The previous prime is 2201021209. The next prime is 2201021227. The reversal of 2201021219 is 9121201022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201021219 is a prime.

It is a super-2 number, since 2×2201021219² = 9688988812976491922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201021219.

It is not an unprimeable number, because it can be changed into a prime (2201021209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4722989 + ... + 4723454.

It is an arithmetic number, because the mean of its divisors is an integer number (552616974).

Almost surely, 2^2201021219 is an apocalyptic number.

2201021219 is a deficient number, since it is larger than the sum of its proper divisors (9446677).

2201021219 is an equidigital number, since it uses as much as digits as its factorization.

2201021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446676.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2201021219 is about 46915.0425663241. The cubic root of 2201021219 is about 1300.7926564330.

The spelling of 2201021219 in words is "two billion, two hundred one million, twenty-one thousand, two hundred nineteen".