161102022 has 8 divisors (see below), whose sum is σ = 322204056. Its totient is φ = 53700672.

The previous prime is 161101981. The next prime is 161102059. The reversal of 161102022 is 220201161.

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

161102022 is an admirable number.

It is a super-2 number, since 2×161102022² = 51907722984976968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161101992 and 161102010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13425163 + ... + 13425174.

It is an arithmetic number, because the mean of its divisors is an integer number (40275507).

Almost surely, 2^161102022 is an apocalyptic number.

161102022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161102022 is a wasteful number, since it uses less digits than its factorization.

161102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26850342.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 161102022 is about 12692.5971337627. The cubic root of 161102022 is about 544.1270676175.

Adding to 161102022 its reverse (220201161), we get a palindrome (381303183).

The spelling of 161102022 in words is "one hundred sixty-one million, one hundred two thousand, twenty-two".