2194107552 has 144 divisors (see below), whose sum is σ = 7679468160. Its totient is φ = 578658816.

The previous prime is 2194107529. The next prime is 2194107557. The reversal of 2194107552 is 2557014912.

2194107552 is a `hidden beast` number, since 2 + 1 + 94 + 10 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2194107557) 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 23 ways as a sum of consecutive naturals, for example, 15652 + ... + 68067.

It is an arithmetic number, because the mean of its divisors is an integer number (53329640).

Almost surely, 2^2194107552 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 2194107552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3839734080).

2194107552 is an abundant number, since it is smaller than the sum of its proper divisors (5485360608).

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

2194107552 is a wasteful number, since it uses less digits than its factorization.

2194107552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83755 (or 83744 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2194107552 is about 46841.3017752496. The cubic root of 2194107552 is about 1299.4292468886.

It can be divided in two parts, 2194 and 107552, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 2194107552 in words is "two billion, one hundred ninety-four million, one hundred seven thousand, five hundred fifty-two".