2225404566 has 48 divisors (see below), whose sum is σ = 6011486208. Its totient is φ = 578026800.

The previous prime is 2225404543. The next prime is 2225404579. The reversal of 2225404566 is 6654045222.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2225404566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801430 + ... + 804201.

It is an arithmetic number, because the mean of its divisors is an integer number (125239296).

Almost surely, 2^2225404566 is an apocalyptic number.

2225404566 is an abundant number, since it is smaller than the sum of its proper divisors (3786081642).

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

2225404566 is a wasteful number, since it uses less digits than its factorization.

2225404566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605657 (or 1605654 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2225404566 is about 47174.1938563872. The cubic root of 2225404566 is about 1305.5785060068.

Adding to 2225404566 its reverse (6654045222), we get a palindrome (8879449788).

The spelling of 2225404566 in words is "two billion, two hundred twenty-five million, four hundred four thousand, five hundred sixty-six".