1226022164 has 24 divisors (see below), whose sum is σ = 2182672800. Its totient is φ = 602419680.

The previous prime is 1226022151. The next prime is 1226022181. The reversal of 1226022164 is 4612206221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481607 + ... + 484145.

It is an arithmetic number, because the mean of its divisors is an integer number (90944700).

Almost surely, 2^1226022164 is an apocalyptic number.

It is an amenable number.

1226022164 is a deficient number, since it is larger than the sum of its proper divisors (956650636).

1226022164 is a wasteful number, since it uses less digits than its factorization.

1226022164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1226022164 is about 35014.5992980071. The cubic root of 1226022164 is about 1070.2850039996.

Adding to 1226022164 its reverse (4612206221), we get a palindrome (5838228385).

The spelling of 1226022164 in words is "one billion, two hundred twenty-six million, twenty-two thousand, one hundred sixty-four".