10221221562 has 8 divisors (see below), whose sum is σ = 20442443136. Its totient is φ = 3407073852.

The previous prime is 10221221531. The next prime is 10221221573. The reversal of 10221221562 is 26512212201.

It is a sphenic number, since it is the product of 3 distinct primes.

10221221562 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 851768458 + ... + 851768469.

It is an arithmetic number, because the mean of its divisors is an integer number (2555305392).

Almost surely, 2^10221221562 is an apocalyptic number.

10221221562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10221221562 is a wasteful number, since it uses less digits than its factorization.

10221221562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703536932.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 10221221562 its reverse (26512212201), we get a palindrome (36733433763).

The spelling of 10221221562 in words is "ten billion, two hundred twenty-one million, two hundred twenty-one thousand, five hundred sixty-two".