22002404646624 has 48 divisors (see below), whose sum is σ = 57761769234960. Its totient is φ = 7333441925120.

The previous prime is 22002404646557. The next prime is 22002404646643. The reversal of 22002404646624 is 42664640420022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9805617 + ... + 11838704.

It is an arithmetic number, because the mean of its divisors is an integer number (1203370192395).

Almost surely, 2^{22002404646624} is an apocalyptic number.

22002404646624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22002404646624 is an abundant number, since it is smaller than the sum of its proper divisors (35759364588336).

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

22002404646624 is a wasteful number, since it uses less digits than its factorization.

22002404646624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21654923 (or 21654915 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 22002404646624 in words is "twenty-two trillion, two billion, four hundred four million, six hundred forty-six thousand, six hundred twenty-four".