1003131222 has 16 divisors (see below), whose sum is σ = 2013405552. Its totient is φ = 333186560.

The previous prime is 1003131221. The next prime is 1003131229. The reversal of 1003131222 is 2221313001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003131221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295803 + ... + 299174.

It is an arithmetic number, because the mean of its divisors is an integer number (125837847).

Almost surely, 2^1003131222 is an apocalyptic number.

1003131222 is an abundant number, since it is smaller than the sum of its proper divisors (1010274330).

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

1003131222 is a wasteful number, since it uses less digits than its factorization.

1003131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595263.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1003131222 is about 31672.2468732485. The cubic root of 1003131222 is about 1001.0426531632.

Adding to 1003131222 its reverse (2221313001), we get a palindrome (3224444223).

The spelling of 1003131222 in words is "one billion, three million, one hundred thirty-one thousand, two hundred twenty-two".