86621022 has 16 divisors (see below), whose sum is σ = 192491280. Its totient is φ = 28873656.

The previous prime is 86621021. The next prime is 86621023. The reversal of 86621022 is 22012668.

It is an interprime number because it is at equal distance from previous prime (86621021) and next prime (86621023).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86621021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801993 + ... + 802100.

It is an arithmetic number, because the mean of its divisors is an integer number (12030705).

Almost surely, 2^86621022 is an apocalyptic number.

86621022 is an abundant number, since it is smaller than the sum of its proper divisors (105870258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86621022 is a wasteful number, since it uses less digits than its factorization.

86621022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604104 (or 1604098 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 86621022 is about 9307.0415277896. The cubic root of 86621022 is about 442.4604273718.

The spelling of 86621022 in words is "eighty-six million, six hundred twenty-one thousand, twenty-two".