80221974 has 16 divisors (see below), whose sum is σ = 183364608. Its totient is φ = 22920552.

The previous prime is 80221969. The next prime is 80221979. The reversal of 80221974 is 47912208.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80221969) and next prime (80221979).

It is a super-2 number, since 2×80221974² = 12871130224913352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80221979) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 954982 + ... + 955065.

It is an arithmetic number, because the mean of its divisors is an integer number (11460288).

Almost surely, 2^80221974 is an apocalyptic number.

80221974 is an abundant number, since it is smaller than the sum of its proper divisors (103142634).

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

80221974 is a wasteful number, since it uses less digits than its factorization.

80221974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910059.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 80221974 is about 8956.6720382070. The cubic root of 80221974 is about 431.2850937205.

The spelling of 80221974 in words is "eighty million, two hundred twenty-one thousand, nine hundred seventy-four".