4994332221 has 16 divisors (see below), whose sum is σ = 7041581568. Its totient is φ = 3143558400.

The previous prime is 4994332183. The next prime is 4994332297. The reversal of 4994332221 is 1222334994.

It is not a de Polignac number, because 4994332221 - 2⁹ = 4994331709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4994332221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994333221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651096 + ... + 658721.

It is an arithmetic number, because the mean of its divisors is an integer number (440098848).

Almost surely, 2^4994332221 is an apocalyptic number.

4994332221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4994332221 is a deficient number, since it is larger than the sum of its proper divisors (2047249347).

4994332221 is a wasteful number, since it uses less digits than its factorization.

4994332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309892.

The product of its digits is 93312, while the sum is 39.

The square root of 4994332221 is about 70670.5895051117. The cubic root of 4994332221 is about 1709.3295846686.

The spelling of 4994332221 in words is "four billion, nine hundred ninety-four million, three hundred thirty-two thousand, two hundred twenty-one".