10221896256 has 224 divisors, whose sum is σ = 33157168128. Its totient is φ = 2734786560.

The previous prime is 10221896239. The next prime is 10221896257. The reversal of 10221896256 is 65269812201.

It is not an unprimeable number, because it can be changed into a prime (10221896257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 623395 + ... + 639581.

It is an arithmetic number, because the mean of its divisors is an integer number (148023072).

Almost surely, 2^10221896256 is an apocalyptic number.

10221896256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221896256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16578584064).

10221896256 is an abundant number, since it is smaller than the sum of its proper divisors (22935271872).

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

10221896256 is a wasteful number, since it uses less digits than its factorization.

10221896256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16249 (or 16239 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 10221896256 in words is "ten billion, two hundred twenty-one million, eight hundred ninety-six thousand, two hundred fifty-six".