2194359552 has 864 divisors, whose sum is σ = 8947814400. Its totient is φ = 522547200.

The previous prime is 2194359529. The next prime is 2194359553. The reversal of 2194359552 is 2559534912.

2194359552 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 3 + 595 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

Its product of digits (486000) is a multiple of the sum of its prime factors (100).

It is a junction number, because it is equal to n+sod(n) for n = 2194359498 and 2194359507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194359553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70785777 + ... + 70785807.

Almost surely, 2^2194359552 is an apocalyptic number.

2194359552 is a gapful number since it is divisible by the number (22) 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 2194359552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4473907200).

2194359552 is an abundant number, since it is smaller than the sum of its proper divisors (6753454848).

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

2194359552 is a wasteful number, since it uses less digits than its factorization.

2194359552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 73 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 2194359552 is about 46843.9916317984. The cubic root of 2194359552 is about 1299.4789927993.

The spelling of 2194359552 in words is "two billion, one hundred ninety-four million, three hundred fifty-nine thousand, five hundred fifty-two".