167220022 has 4 divisors (see below), whose sum is σ = 250830036. Its totient is φ = 83610010.

The previous prime is 167220013. The next prime is 167220029. The reversal of 167220022 is 220022761.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 167219975 and 167220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41805004 + ... + 41805007.

It is an arithmetic number, because the mean of its divisors is an integer number (62707509).

Almost surely, 2^167220022 is an apocalyptic number.

167220022 is a deficient number, since it is larger than the sum of its proper divisors (83610014).

167220022 is an equidigital number, since it uses as much as digits as its factorization.

167220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83610013.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 167220022 is about 12931.3580879968. The cubic root of 167220022 is about 550.9295817027.

Adding to 167220022 its reverse (220022761), we get a palindrome (387242783).

The spelling of 167220022 in words is "one hundred sixty-seven million, two hundred twenty thousand, twenty-two".