80451822 has 32 divisors (see below), whose sum is σ = 176330880. Its totient is φ = 24268320.

The previous prime is 80451821. The next prime is 80451841. The reversal of 80451822 is 22815408.

It is a self number, because there is not a number n which added to its sum of digits gives 80451822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80451821) 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, 12453 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (5510340).

Almost surely, 2^80451822 is an apocalyptic number.

80451822 is an abundant number, since it is smaller than the sum of its proper divisors (95879058).

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

80451822 is a wasteful number, since it uses less digits than its factorization.

80451822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 80451822 is about 8969.4939656594. The cubic root of 80451822 is about 431.6965998102.

The spelling of 80451822 in words is "eighty million, four hundred fifty-one thousand, eight hundred twenty-two".