2192884920 has 128 divisors (see below), whose sum is σ = 7507310400. Its totient is φ = 568954368.

The previous prime is 2192884873. The next prime is 2192884921. The reversal of 2192884920 is 294882912.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192884921) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12522 + ... + 67398.

Almost surely, 2^2192884920 is an apocalyptic number.

2192884920 is a gapful number since it is divisible by the number (20) 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 2192884920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3753655200).

2192884920 is an abundant number, since it is smaller than the sum of its proper divisors (5314425480).

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

2192884920 is a wasteful number, since it uses less digits than its factorization.

2192884920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54934 (or 54924 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2192884920 is about 46828.2491665021. The cubic root of 2192884920 is about 1299.1878398579.

The spelling of 2192884920 in words is "two billion, one hundred ninety-two million, eight hundred eighty-four thousand, nine hundred twenty".