2144205570 has 32 divisors (see below), whose sum is σ = 5541947712. Its totient is φ = 527804352.

The previous prime is 2144205541. The next prime is 2144205589. The reversal of 2144205570 is 755024412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748592 + ... + 2749371.

It is an arithmetic number, because the mean of its divisors is an integer number (173185866).

Almost surely, 2^2144205570 is an apocalyptic number.

2144205570 is an abundant number, since it is smaller than the sum of its proper divisors (3397742142).

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

2144205570 is a wasteful number, since it uses less digits than its factorization.

2144205570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497986.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2144205570 is about 46305.5673758567. The cubic root of 2144205570 is about 1289.5023559721.

Adding to 2144205570 its reverse (755024412), we get a palindrome (2899229982).

The spelling of 2144205570 in words is "two billion, one hundred forty-four million, two hundred five thousand, five hundred seventy".