2203122465566 has 16 divisors (see below), whose sum is σ = 3605134039920. Its totient is φ = 1001412482880.

The previous prime is 2203122465547. The next prime is 2203122465569. The reversal of 2203122465566 is 6655642213022.

It is a super-2 number, since 2×2203122465566² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203122465569) 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, 4473770 + ... + 4941746.

It is an arithmetic number, because the mean of its divisors is an integer number (225320877495).

Almost surely, 2^{2203122465566} is an apocalyptic number.

2203122465566 is a deficient number, since it is larger than the sum of its proper divisors (1402011574354).

2203122465566 is a wasteful number, since it uses less digits than its factorization.

2203122465566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681979.

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 2203122465566 its reverse (6655642213022), we get a palindrome (8858764678588).

The spelling of 2203122465566 in words is "two trillion, two hundred three billion, one hundred twenty-two million, four hundred sixty-five thousand, five hundred sixty-six".