1222071064 has 16 divisors (see below), whose sum is σ = 2340136800. Its totient is φ = 598034592.

The previous prime is 1222071043. The next prime is 1222071073. The reversal of 1222071064 is 4601702221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624719 + ... + 1625470.

It is an arithmetic number, because the mean of its divisors is an integer number (146258550).

Almost surely, 2^1222071064 is an apocalyptic number.

It is an amenable number.

1222071064 is a deficient number, since it is larger than the sum of its proper divisors (1118065736).

1222071064 is a wasteful number, since it uses less digits than its factorization.

1222071064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250242 (or 3250238 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1222071064 is about 34958.1330165099. The cubic root of 1222071064 is about 1069.1340313462.

Adding to 1222071064 its reverse (4601702221), we get a palindrome (5823773285).

The spelling of 1222071064 in words is "one billion, two hundred twenty-two million, seventy-one thousand, sixty-four".