4249327221 has 6 divisors (see below), whose sum is σ = 6137917110. Its totient is φ = 2832884808.

The previous prime is 4249327193. The next prime is 4249327249. The reversal of 4249327221 is 1227239424.

It is a happy number.

4249327221 is a `hidden beast` number, since 424 + 9 + 3 + 2 + 7 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (4249327193) and next prime (4249327249).

It can be written as a sum of positive squares in only one way, i.e., 4135904721 + 113422500 = 64311^2 + 10650^2 .

It is not a de Polignac number, because 4249327221 - 2²⁵ = 4215772789 is a prime.

It is a super-2 number, since 2×4249327221² = 36113563662263165682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249327261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236073726 + ... + 236073743.

It is an arithmetic number, because the mean of its divisors is an integer number (1022986185).

Almost surely, 2^4249327221 is an apocalyptic number.

It is an amenable number.

4249327221 is a deficient number, since it is larger than the sum of its proper divisors (1888589889).

4249327221 is a wasteful number, since it uses less digits than its factorization.

4249327221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472147475 (or 472147472 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 4249327221 is about 65186.8638684206. The cubic root of 4249327221 is about 1619.7204238620.

The spelling of 4249327221 in words is "four billion, two hundred forty-nine million, three hundred twenty-seven thousand, two hundred twenty-one".