1000220221232 has 40 divisors (see below), whose sum is σ = 1986847698192. Its totient is φ = 487505664000.

The previous prime is 1000220221223. The next prime is 1000220221277. The reversal of 1000220221232 is 2321220220001.

1000220221232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000220221232² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000220221232.

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, 153083 + ... + 1422629.

Almost surely, 2^{1000220221232} is an apocalyptic number.

It is an amenable number.

1000220221232 is a deficient number, since it is larger than the sum of its proper divisors (986627476960).

1000220221232 is a wasteful number, since it uses less digits than its factorization.

1000220221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270797 (or 1270791 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1000220221232 its reverse (2321220220001), we get a palindrome (3321440441233).

The spelling of 1000220221232 in words is "one trillion, two hundred twenty million, two hundred twenty-one thousand, two hundred thirty-two".