10646221452 has 12 divisors (see below), whose sum is σ = 24841183416. Its totient is φ = 3548740480.

The previous prime is 10646221427. The next prime is 10646221471. The reversal of 10646221452 is 25412264601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10646221452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443592549 + ... + 443592572.

It is an arithmetic number, because the mean of its divisors is an integer number (2070098618).

Almost surely, 2^10646221452 is an apocalyptic number.

10646221452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10646221452 is an abundant number, since it is smaller than the sum of its proper divisors (14194961964).

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

10646221452 is a wasteful number, since it uses less digits than its factorization.

10646221452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887185128 (or 887185126 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 10646221452 in words is "ten billion, six hundred forty-six million, two hundred twenty-one thousand, four hundred fifty-two".