2222612164 has 24 divisors (see below), whose sum is σ = 4136074488. Its totient is φ = 1041438720.

The previous prime is 2222612159. The next prime is 2222612207. The reversal of 2222612164 is 4612162222.

It can be written as a sum of positive squares in 4 ways, for example, as 603193600 + 1619418564 = 24560^2 + 40242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54297 + ... + 85984.

It is an arithmetic number, because the mean of its divisors is an integer number (172336437).

Almost surely, 2^2222612164 is an apocalyptic number.

It is an amenable number.

2222612164 is a deficient number, since it is larger than the sum of its proper divisors (1913462324).

2222612164 is a wasteful number, since it uses less digits than its factorization.

2222612164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140535 (or 140533 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 2222612164 is about 47144.5878548111. The cubic root of 2222612164 is about 1305.0322044479.

Adding to 2222612164 its reverse (4612162222), we get a palindrome (6834774386).

It can be divided in two parts, 2222 and 612164, that added together give a triangular number (614386 = T₁₁₀₈).

The spelling of 2222612164 in words is "two billion, two hundred twenty-two million, six hundred twelve thousand, one hundred sixty-four".