2262143844 has 27 divisors (see below), whose sum is σ = 5718918387. Its totient is φ = 753952824.

The previous prime is 2262143809. The next prime is 2262143861. The reversal of 2262143844 is 4483412622.

The square root of 2262143844 is 47562.

It is a perfect power (a square), and thus also a powerful number.

2262143844 is a `hidden beast` number, since 2 + 262 + 14 + 384 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2262143799 and 2262143808.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 281409 + ... + 289335.

Almost surely, 2^2262143844 is an apocalyptic number.

2262143844 is the 47562-nd square number.

It is an amenable number.

2262143844 is an abundant number, since it is smaller than the sum of its proper divisors (3456774543).

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

2262143844 is an frugal number, since it uses more digits than its factorization.

2262143844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864 (or 7932 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The cubic root of 2262143844 is about 1312.7239406731.

Multiplying 2262143844 by its sum of digits (36), we get a square (81437178384 = 285372²).

2262143844 divided by its sum of digits (36) gives a square (62837329 = 7927²).

The spelling of 2262143844 in words is "two billion, two hundred sixty-two million, one hundred forty-three thousand, eight hundred forty-four".