169490823222 has 16 divisors (see below), whose sum is σ = 387407596032. Its totient is φ = 48425949480.

The previous prime is 169490823211. The next prime is 169490823247. The reversal of 169490823222 is 222328094961.

It is a super-2 number, since 2×169490823222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017747854 + ... + 2017747937.

It is an arithmetic number, because the mean of its divisors is an integer number (24212974752).

Almost surely, 2^169490823222 is an apocalyptic number.

169490823222 is an abundant number, since it is smaller than the sum of its proper divisors (217916772810).

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

169490823222 is a wasteful number, since it uses less digits than its factorization.

169490823222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035495803.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 169490823222 in words is "one hundred sixty-nine billion, four hundred ninety million, eight hundred twenty-three thousand, two hundred twenty-two".