80722224 has 80 divisors (see below), whose sum is σ = 252781440. Its totient is φ = 24459840.

The previous prime is 80722219. The next prime is 80722237. The reversal of 80722224 is 42222708.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3742 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (3159768).

Almost surely, 2^80722224 is an apocalyptic number.

It is an amenable number.

80722224 is an abundant number, since it is smaller than the sum of its proper divisors (172059216).

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

80722224 is a wasteful number, since it uses less digits than its factorization.

80722224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015 (or 17003 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 80722224 is about 8984.5547468976. The cubic root of 80722224 is about 432.1797091824.

It can be divided in two parts, 8072 and 2224, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 80722224 in words is "eighty million, seven hundred twenty-two thousand, two hundred twenty-four".