21224352334194 has 48 divisors (see below), whose sum is σ = 46120593306528. Its totient is φ = 7054094077056.

The previous prime is 21224352334193. The next prime is 21224352334259. The reversal of 21224352334194 is 49143325342212.

21224352334194 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 4 + 3 + 523 + 34 + 1 + 94 = 666.

It is not an unprimeable number, because it can be changed into a prime (21224352334193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182931069 + ... + 183047055.

It is an arithmetic number, because the mean of its divisors is an integer number (960845693886).

Almost surely, 2^{21224352334194} is an apocalyptic number.

21224352334194 is an abundant number, since it is smaller than the sum of its proper divisors (24896240972334).

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

21224352334194 is a wasteful number, since it uses less digits than its factorization.

21224352334194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145639 (or 145636 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 21224352334194 in words is "twenty-one trillion, two hundred twenty-four billion, three hundred fifty-two million, three hundred thirty-four thousand, one hundred ninety-four".