4555105221 has 4 divisors (see below), whose sum is σ = 6073473632. Its totient is φ = 3036736812.

The previous prime is 4555105211. The next prime is 4555105267. The reversal of 4555105221 is 1225015554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4555105221 - 2²¹ = 4553008069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555105211) 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, 759184201 + ... + 759184206.

It is an arithmetic number, because the mean of its divisors is an integer number (1518368408).

Almost surely, 2^4555105221 is an apocalyptic number.

It is an amenable number.

4555105221 is a deficient number, since it is larger than the sum of its proper divisors (1518368411).

4555105221 is a wasteful number, since it uses less digits than its factorization.

4555105221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518368410.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 4555105221 is about 67491.5196228385. The cubic root of 4555105221 is about 1657.6753182513.

The spelling of 4555105221 in words is "four billion, five hundred fifty-five million, one hundred five thousand, two hundred twenty-one".