2193462656 has 96 divisors (see below), whose sum is σ = 5545509480. Its totient is φ = 854568960.

The previous prime is 2193462641. The next prime is 2193462659. The reversal of 2193462656 is 6562643912.

It is a super-2 number, since 2×2193462656² = 9622556846533148672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193462659) 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 11 ways as a sum of consecutive naturals, for example, 53096 + ... + 84888.

Almost surely, 2^2193462656 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 2193462656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772754740).

2193462656 is an abundant number, since it is smaller than the sum of its proper divisors (3352046824).

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

2193462656 is a wasteful number, since it uses less digits than its factorization.

2193462656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31832 (or 31813 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 2193462656 is about 46834.4174299201. The cubic root of 2193462656 is about 1299.3019242272.

The spelling of 2193462656 in words is "two billion, one hundred ninety-three million, four hundred sixty-two thousand, six hundred fifty-six".