8661255022 has 16 divisors (see below), whose sum is σ = 14918239872. Its totient is φ = 3694372920.

The previous prime is 8661255019. The next prime is 8661255037. The reversal of 8661255022 is 2205521668.

It is a super-2 number, since 2×8661255022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463068 + ... + 1468975.

It is an arithmetic number, because the mean of its divisors is an integer number (932389992).

Almost surely, 2^8661255022 is an apocalyptic number.

8661255022 is a deficient number, since it is larger than the sum of its proper divisors (6256984850).

8661255022 is a wasteful number, since it uses less digits than its factorization.

8661255022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932263.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 8661255022 is about 93065.8638921920. The cubic root of 8661255022 is about 2053.6524236411.

The spelling of 8661255022 in words is "eight billion, six hundred sixty-one million, two hundred fifty-five thousand, twenty-two".