80864022 has 24 divisors (see below), whose sum is σ = 163069416. Its totient is φ = 26732544.

The previous prime is 80864009. The next prime is 80864023. The reversal of 80864022 is 22046808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80864023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314518 + ... + 314774.

It is an arithmetic number, because the mean of its divisors is an integer number (6794559).

Almost surely, 2^80864022 is an apocalyptic number.

80864022 is an abundant number, since it is smaller than the sum of its proper divisors (82205394).

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

80864022 is a wasteful number, since it uses less digits than its factorization.

80864022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 80864022 is about 8992.4424935609. The cubic root of 80864022 is about 432.4326191710.

The spelling of 80864022 in words is "eighty million, eight hundred sixty-four thousand, twenty-two".