2214421993 has 16 divisors (see below), whose sum is σ = 2557177216. Its totient is φ = 1878370560.

The previous prime is 2214421987. The next prime is 2214422017. The reversal of 2214421993 is 3991244122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2214421993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214427993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270955 + ... + 279007.

It is an arithmetic number, because the mean of its divisors is an integer number (159823576).

Almost surely, 2^2214421993 is an apocalyptic number.

It is an amenable number.

2214421993 is a deficient number, since it is larger than the sum of its proper divisors (342755223).

2214421993 is a wasteful number, since it uses less digits than its factorization.

2214421993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464.

The product of its digits is 31104, while the sum is 37.

The square root of 2214421993 is about 47057.6454255841. The cubic root of 2214421993 is about 1303.4272471899.

The spelling of 2214421993 in words is "two billion, two hundred fourteen million, four hundred twenty-one thousand, nine hundred ninety-three".