2196619452 has 96 divisors (see below), whose sum is σ = 5893171200. Its totient is φ = 706838400.

The previous prime is 2196619433. The next prime is 2196619463. The reversal of 2196619452 is 2549166912.

2196619452 is a `hidden beast` number, since 2 + 196 + 6 + 1 + 9 + 452 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2196619398 and 2196619407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2708127 + ... + 2708937.

It is an arithmetic number, because the mean of its divisors is an integer number (61387200).

Almost surely, 2^2196619452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196619452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946585600).

2196619452 is an abundant number, since it is smaller than the sum of its proper divisors (3696551748).

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

2196619452 is a wasteful number, since it uses less digits than its factorization.

2196619452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1656 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2196619452 is about 46868.1069811871. The cubic root of 2196619452 is about 1299.9249368888.

The spelling of 2196619452 in words is "two billion, one hundred ninety-six million, six hundred nineteen thousand, four hundred fifty-two".