22204466646 has 16 divisors (see below), whose sum is σ = 44411598000. Its totient is φ = 7401044768.

The previous prime is 22204466623. The next prime is 22204466651. The reversal of 22204466646 is 64666440222.

It is a super-3 number, since 3×22204466646³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22204466598 and 22204466607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6940 + ... + 210848.

It is an arithmetic number, because the mean of its divisors is an integer number (2775724875).

Almost surely, 2^22204466646 is an apocalyptic number.

22204466646 is an abundant number, since it is smaller than the sum of its proper divisors (22207131354).

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

22204466646 is a wasteful number, since it uses less digits than its factorization.

22204466646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222063.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 22204466646 in words is "twenty-two billion, two hundred four million, four hundred sixty-six thousand, six hundred forty-six".