2122144566 has 16 divisors (see below), whose sum is σ = 4244868288. Its totient is φ = 707285000.

The previous prime is 2122144547. The next prime is 2122144567. The reversal of 2122144566 is 6654412212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122144567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34441 + ... + 73691.

It is an arithmetic number, because the mean of its divisors is an integer number (265304268).

Almost surely, 2^2122144566 is an apocalyptic number.

2122144566 is an abundant number, since it is smaller than the sum of its proper divisors (2122723722).

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

2122144566 is a wasteful number, since it uses less digits than its factorization.

2122144566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48267.

The product of its digits is 23040, while the sum is 33.

The square root of 2122144566 is about 46066.7403448518. The cubic root of 2122144566 is about 1285.0646842738.

Adding to 2122144566 its reverse (6654412212), we get a palindrome (8776556778).

The spelling of 2122144566 in words is "two billion, one hundred twenty-two million, one hundred forty-four thousand, five hundred sixty-six".