87225111 has 6 divisors (see below), whose sum is σ = 125991840. Its totient is φ = 58150068.

The previous prime is 87225107. The next prime is 87225137. The reversal of 87225111 is 11152278.

It is not a de Polignac number, because 87225111 - 2² = 87225107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87225161) 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, 4845831 + ... + 4845848.

It is an arithmetic number, because the mean of its divisors is an integer number (20998640).

Almost surely, 2^87225111 is an apocalyptic number.

87225111 is a deficient number, since it is larger than the sum of its proper divisors (38766729).

87225111 is a wasteful number, since it uses less digits than its factorization.

87225111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9691685 (or 9691682 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 87225111 is about 9339.4384734844. The cubic root of 87225111 is about 443.4866083292.

Adding to 87225111 its reverse (11152278), we get a palindrome (98377389).

The spelling of 87225111 in words is "eighty-seven million, two hundred twenty-five thousand, one hundred eleven".