1012222443 has 8 divisors (see below), whose sum is σ = 1349805456. Its totient is φ = 674727200.

The previous prime is 1012222429. The next prime is 1012222469. The reversal of 1012222443 is 3442222101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012222443 - 2⁴ = 1012222427 is a prime.

It is a super-2 number, since 2×1012222443² = 2049188548225776498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012222403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12853 + ... + 46793.

It is an arithmetic number, because the mean of its divisors is an integer number (168725682).

Almost surely, 2^1012222443 is an apocalyptic number.

1012222443 is a deficient number, since it is larger than the sum of its proper divisors (337583013).

1012222443 is an equidigital number, since it uses as much as digits as its factorization.

1012222443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43885.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1012222443 is about 31815.4434669706. The cubic root of 1012222443 is about 1004.0576607863.

Adding to 1012222443 its reverse (3442222101), we get a palindrome (4454444544).

The spelling of 1012222443 in words is "one billion, twelve million, two hundred twenty-two thousand, four hundred forty-three".