2144202312 has 64 divisors (see below), whose sum is σ = 6129889920. Its totient is φ = 612269568.

The previous prime is 2144202293. The next prime is 2144202317. The reversal of 2144202312 is 2132024412.

It is a super-2 number, since 2×2144202312² = 9195207109572290688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2144202317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437218 + ... + 442094.

It is an arithmetic number, because the mean of its divisors is an integer number (95779530).

Almost surely, 2^2144202312 is an apocalyptic number.

It is an amenable number.

2144202312 is an abundant number, since it is smaller than the sum of its proper divisors (3985687608).

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

2144202312 is a wasteful number, since it uses less digits than its factorization.

2144202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510 (or 7506 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2144202312 is about 46305.5321964881. The cubic root of 2144202312 is about 1289.5017028629.

Adding to 2144202312 its reverse (2132024412), we get a palindrome (4276226724).

The spelling of 2144202312 in words is "two billion, one hundred forty-four million, two hundred two thousand, three hundred twelve".