80722446 has 32 divisors (see below), whose sum is σ = 184923648. Its totient is φ = 23011680.

The previous prime is 80722441. The next prime is 80722463. The reversal of 80722446 is 64422708.

It is a super-2 number, since 2×80722446² = 13032226576445832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80722441) 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, 19216 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (5778864).

Almost surely, 2^80722446 is an apocalyptic number.

80722446 is an abundant number, since it is smaller than the sum of its proper divisors (104201202).

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

80722446 is a wasteful number, since it uses less digits than its factorization.

80722446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 80722446 is about 8984.5671014245. The cubic root of 80722446 is about 432.1801053716.

The spelling of 80722446 in words is "eighty million, seven hundred twenty-two thousand, four hundred forty-six".