2226765844 has 6 divisors (see below), whose sum is σ = 3896840234. Its totient is φ = 1113382920.

The previous prime is 2226765839. The next prime is 2226765847. The reversal of 2226765844 is 4485676222.

It can be written as a sum of positive squares in only one way, i.e., 2191363344 + 35402500 = 46812^2 + 5950^2 .

It is a super-2 number, since 2×2226765844² = 9916972248010064672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2226765794 and 2226765803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226765847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278345727 + ... + 278345734.

Almost surely, 2^2226765844 is an apocalyptic number.

It is an amenable number.

2226765844 is a deficient number, since it is larger than the sum of its proper divisors (1670074390).

2226765844 is a wasteful number, since it uses less digits than its factorization.

2226765844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556691465 (or 556691463 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 2226765844 is about 47188.6198569104. The cubic root of 2226765844 is about 1305.8446588172.

The spelling of 2226765844 in words is "two billion, two hundred twenty-six million, seven hundred sixty-five thousand, eight hundred forty-four".