80222090 has 64 divisors (see below), whose sum is σ = 161796096. Its totient is φ = 28449792.

The previous prime is 80222089. The next prime is 80222111. The reversal of 80222090 is 9022208.

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 31 ways as a sum of consecutive naturals, for example, 631607 + ... + 631733.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 2^80222090 is an apocalyptic number.

80222090 is an abundant number, since it is smaller than the sum of its proper divisors (81574006).

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

80222090 is a wasteful number, since it uses less digits than its factorization.

80222090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 80222090 is about 8956.6785138242. The cubic root of 80222090 is about 431.2853015980.

Adding to 80222090 its reverse (9022208), we get a palindrome (89244298).

The spelling of 80222090 in words is "eighty million, two hundred twenty-two thousand, ninety".