409022169 has 16 divisors (see below), whose sum is σ = 551288832. Its totient is φ = 269731728.

The previous prime is 409022143. The next prime is 409022213. The reversal of 409022169 is 961220904.

It is not a de Polignac number, because 409022169 - 2⁵ = 409022137 is a prime.

It is a super-2 number, since 2×409022169² = 334598269466929122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (409022569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144522 + ... + 147324.

It is an arithmetic number, because the mean of its divisors is an integer number (34455552).

Almost surely, 2^409022169 is an apocalyptic number.

It is an amenable number.

409022169 is a deficient number, since it is larger than the sum of its proper divisors (142266663).

409022169 is a wasteful number, since it uses less digits than its factorization.

409022169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 409022169 is about 20224.2965019800. The cubic root of 409022169 is about 742.3048232588.

It can be divided in two parts, 40902 and 2169, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 409022169 in words is "four hundred nine million, twenty-two thousand, one hundred sixty-nine".