2131022146 has 16 divisors (see below), whose sum is σ = 3504657600. Its totient is φ = 963776880.

The previous prime is 2131022123. The next prime is 2131022161. The reversal of 2131022146 is 6412201312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239001 + ... + 247756.

It is an arithmetic number, because the mean of its divisors is an integer number (219041100).

Almost surely, 2^2131022146 is an apocalyptic number.

2131022146 is a deficient number, since it is larger than the sum of its proper divisors (1373635454).

2131022146 is a wasteful number, since it uses less digits than its factorization.

2131022146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486969.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2131022146 is about 46162.9954184085. The cubic root of 2131022146 is about 1286.8541309031.

Adding to 2131022146 its reverse (6412201312), we get a palindrome (8543223458).

The spelling of 2131022146 in words is "two billion, one hundred thirty-one million, twenty-two thousand, one hundred forty-six".