8572222887 has 16 divisors (see below), whose sum is σ = 11957524992. Its totient is φ = 5456799680.

The previous prime is 8572222873. The next prime is 8572222907. The reversal of 8572222887 is 7882222758.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8572222887 - 2³¹ = 6424739239 is a prime.

It is a super-2 number, since 2×8572222887² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8572222847) 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, 735633 + ... + 747194.

It is an arithmetic number, because the mean of its divisors is an integer number (747345312).

Almost surely, 2^8572222887 is an apocalyptic number.

8572222887 is a deficient number, since it is larger than the sum of its proper divisors (3385302105).

8572222887 is a wasteful number, since it uses less digits than its factorization.

8572222887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482918.

The product of its digits is 2007040, while the sum is 51.

The square root of 8572222887 is about 92586.2996722517. The cubic root of 8572222887 is about 2046.5914315939.

The spelling of 8572222887 in words is "eight billion, five hundred seventy-two million, two hundred twenty-two thousand, eight hundred eighty-seven".