1022203112 has 32 divisors (see below), whose sum is σ = 2235144000. Its totient is φ = 438085872.

The previous prime is 1022203109. The next prime is 1022203151. The reversal of 1022203112 is 2113022201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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, 183518 + ... + 189005.

It is an arithmetic number, because the mean of its divisors is an integer number (69848250).

Almost surely, 2^1022203112 is an apocalyptic number.

It is an amenable number.

1022203112 is an abundant number, since it is smaller than the sum of its proper divisors (1212940888).

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

1022203112 is an equidigital number, since it uses as much as digits as its factorization.

1022203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372550 (or 372532 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1022203112 is about 31971.9112972622. The cubic root of 1022203112 is about 1007.3469277961.

Adding to 1022203112 its reverse (2113022201), we get a palindrome (3135225313).

The spelling of 1022203112 in words is "one billion, twenty-two million, two hundred three thousand, one hundred twelve".