573221139 has 4 divisors (see below), whose sum is σ = 764294856. Its totient is φ = 382147424.

The previous prime is 573221119. The next prime is 573221153. The reversal of 573221139 is 931122375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 573221139 - 2⁵ = 573221107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (573221119) 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, 95536854 + ... + 95536859.

It is an arithmetic number, because the mean of its divisors is an integer number (191073714).

Almost surely, 2^573221139 is an apocalyptic number.

573221139 is a deficient number, since it is larger than the sum of its proper divisors (191073717).

573221139 is a wasteful number, since it uses less digits than its factorization.

573221139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191073716.

The product of its digits is 11340, while the sum is 33.

The square root of 573221139 is about 23942.0370687208. The cubic root of 573221139 is about 830.6933476782.

The spelling of 573221139 in words is "five hundred seventy-three million, two hundred twenty-one thousand, one hundred thirty-nine".