80221554 has 48 divisors (see below), whose sum is σ = 199155840. Its totient is φ = 22861440.

The previous prime is 80221549. The next prime is 80221571. The reversal of 80221554 is 45512208.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79002 + ... + 80010.

It is an arithmetic number, because the mean of its divisors is an integer number (4149080).

Almost surely, 2^80221554 is an apocalyptic number.

80221554 is an abundant number, since it is smaller than the sum of its proper divisors (118934286).

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

80221554 is a wasteful number, since it uses less digits than its factorization.

80221554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 80221554 is about 8956.6485919679. The cubic root of 80221554 is about 431.2843410586.

The spelling of 80221554 in words is "eighty million, two hundred twenty-one thousand, five hundred fifty-four".