2172046548 has 144 divisors (see below), whose sum is σ = 6208925184. Its totient is φ = 578772480.

The previous prime is 2172046507. The next prime is 2172046559. The reversal of 2172046548 is 8456402712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3179815 + ... + 3180497.

It is an arithmetic number, because the mean of its divisors is an integer number (43117536).

Almost surely, 2^2172046548 is an apocalyptic number.

2172046548 is a gapful number since it is divisible by the number (28) 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 2172046548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104462592).

2172046548 is an abundant number, since it is smaller than the sum of its proper divisors (4036878636).

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

2172046548 is a wasteful number, since it uses less digits than its factorization.

2172046548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2172046548 is about 46605.2201797181. The cubic root of 2172046548 is about 1295.0594622945.

The spelling of 2172046548 in words is "two billion, one hundred seventy-two million, forty-six thousand, five hundred forty-eight".