80022921 has 8 divisors (see below), whose sum is σ = 116397024. Its totient is φ = 48498720.

The previous prime is 80022913. The next prime is 80022923. The reversal of 80022921 is 12922008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80022921 - 2³ = 80022913 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80022891 and 80022900.

It is not an unprimeable number, because it can be changed into a prime (80022923) 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, 1212436 + ... + 1212501.

It is an arithmetic number, because the mean of its divisors is an integer number (14549628).

Almost surely, 2^80022921 is an apocalyptic number.

It is an amenable number.

80022921 is a deficient number, since it is larger than the sum of its proper divisors (36374103).

80022921 is a wasteful number, since it uses less digits than its factorization.

80022921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424951.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 80022921 is about 8945.5531410864. The cubic root of 80022921 is about 430.9280855748.

Adding to 80022921 its reverse (12922008), we get a palindrome (92944929).

The spelling of 80022921 in words is "eighty million, twenty-two thousand, nine hundred twenty-one".