2203162972 has 12 divisors (see below), whose sum is σ = 3865152816. Its totient is φ = 1098833600.

The previous prime is 2203162937. The next prime is 2203162987. The reversal of 2203162972 is 2792613022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685168 + ... + 688375.

It is an arithmetic number, because the mean of its divisors is an integer number (322096068).

Almost surely, 2^2203162972 is an apocalyptic number.

It is an amenable number.

2203162972 is a deficient number, since it is larger than the sum of its proper divisors (1661989844).

2203162972 is a wasteful number, since it uses less digits than its factorization.

2203162972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373948 (or 1373946 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2203162972 is about 46937.8628827517. The cubic root of 2203162972 is about 1301.2144414642.

Adding to 2203162972 its reverse (2792613022), we get a palindrome (4995775994).

The spelling of 2203162972 in words is "two billion, two hundred three million, one hundred sixty-two thousand, nine hundred seventy-two".