4570541221 has 4 divisors (see below), whose sum is σ = 4570723872. Its totient is φ = 4570358572.

The previous prime is 4570541207. The next prime is 4570541233. The reversal of 4570541221 is 1221450754.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1221450754 = 2 ⋅610725377.

It is a cyclic number.

It is not a de Polignac number, because 4570541221 - 2²⁵ = 4536986789 is a prime.

It is a super-3 number, since 3×4570541221³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4570571221) 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, 46435 + ... + 106288.

It is an arithmetic number, because the mean of its divisors is an integer number (1142680968).

Almost surely, 2^4570541221 is an apocalyptic number.

It is an amenable number.

4570541221 is a deficient number, since it is larger than the sum of its proper divisors (182651).

4570541221 is a wasteful number, since it uses less digits than its factorization.

4570541221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182650.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4570541221 is about 67605.7780149005. The cubic root of 4570541221 is about 1659.5456758564.

Adding to 4570541221 its reverse (1221450754), we get a palindrome (5791991975).

The spelling of 4570541221 in words is "four billion, five hundred seventy million, five hundred forty-one thousand, two hundred twenty-one".