80022161 has 4 divisors (see below), whose sum is σ = 80598000. Its totient is φ = 79446324.

The previous prime is 80022149. The next prime is 80022169. The reversal of 80022161 is 16122008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80022161 is a prime.

It is a super-2 number, since 2×80022161² = 12807092502219842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80022169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287711 + ... + 287988.

It is an arithmetic number, because the mean of its divisors is an integer number (20149500).

Almost surely, 2^80022161 is an apocalyptic number.

It is an amenable number.

80022161 is a deficient number, since it is larger than the sum of its proper divisors (575839).

80022161 is a wasteful number, since it uses less digits than its factorization.

80022161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575838.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 80022161 is about 8945.5106617789. The cubic root of 80022161 is about 430.9267213557.

Adding to 80022161 its reverse (16122008), we get a palindrome (96144169).

The spelling of 80022161 in words is "eighty million, twenty-two thousand, one hundred sixty-one".