2221423201 has 8 divisors (see below), whose sum is σ = 2354762880. Its totient is φ = 2088379968.

The previous prime is 2221423187. The next prime is 2221423207. The reversal of 2221423201 is 1023241222.

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 2221423201 - 2⁷ = 2221423073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221423207) 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, 58581 + ... + 88738.

It is an arithmetic number, because the mean of its divisors is an integer number (294345360).

Almost surely, 2^2221423201 is an apocalyptic number.

It is an amenable number.

2221423201 is a deficient number, since it is larger than the sum of its proper divisors (133339679).

2221423201 is a wasteful number, since it uses less digits than its factorization.

2221423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148223.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2221423201 is about 47131.9764172902. The cubic root of 2221423201 is about 1304.7994585241.

Adding to 2221423201 its reverse (1023241222), we get a palindrome (3244664423).

The spelling of 2221423201 in words is "two billion, two hundred twenty-one million, four hundred twenty-three thousand, two hundred one".