80172022 has 16 divisors (see below), whose sum is σ = 137580192. Its totient is φ = 34323840.

The previous prime is 80172013. The next prime is 80172023. The reversal of 80172022 is 22027108.

It is a super-2 number, since 2×80172022² = 12855106223136968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80171984 and 80172002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80172023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14622 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (8598762).

Almost surely, 2^80172022 is an apocalyptic number.

80172022 is a deficient number, since it is larger than the sum of its proper divisors (57408170).

80172022 is a wasteful number, since it uses less digits than its factorization.

80172022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 80172022 is about 8953.8830682559. The cubic root of 80172022 is about 431.1955587090.

The spelling of 80172022 in words is "eighty million, one hundred seventy-two thousand, twenty-two".