172822104 has 144 divisors (see below), whose sum is σ = 579524400. Its totient is φ = 45556992.

The previous prime is 172822099. The next prime is 172822129. The reversal of 172822104 is 401228271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84162 + ... + 86190.

It is an arithmetic number, because the mean of its divisors is an integer number (4024475).

Almost surely, 2^172822104 is an apocalyptic number.

172822104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172822104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289762200).

172822104 is an abundant number, since it is smaller than the sum of its proper divisors (406702296).

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

172822104 is a wasteful number, since it uses less digits than its factorization.

172822104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 172822104 is about 13146.1821073649. The cubic root of 172822104 is about 557.0144084838.

It can be divided in two parts, 1728 and 22104, that added together give a palindrome (23832).

The spelling of 172822104 in words is "one hundred seventy-two million, eight hundred twenty-two thousand, one hundred four".