2003131222 has 8 divisors (see below), whose sum is σ = 3009568536. Its totient is φ = 999941712.

The previous prime is 2003131217. The next prime is 2003131231. The reversal of 2003131222 is 2221313002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2003131196 and 2003131205.

It is a congruent 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, 810408 + ... + 812875.

It is an arithmetic number, because the mean of its divisors is an integer number (376196067).

Almost surely, 2^2003131222 is an apocalyptic number.

2003131222 is a deficient number, since it is larger than the sum of its proper divisors (1006437314).

2003131222 is a wasteful number, since it uses less digits than its factorization.

2003131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623902.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2003131222 is about 44756.3539846579. The cubic root of 2003131222 is about 1260.5782224735.

Adding to 2003131222 its reverse (2221313002), we get a palindrome (4224444224).

It can be divided in two parts, 2003 and 131222, that added together give a square (133225 = 365²).

The spelling of 2003131222 in words is "two billion, three million, one hundred thirty-one thousand, two hundred twenty-two".