1222879576 has 16 divisors (see below), whose sum is σ = 2325194640. Its totient is φ = 602827680.

The previous prime is 1222879543. The next prime is 1222879579. The reversal of 1222879576 is 6759782221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222879579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075911 + ... + 1077046.

It is an arithmetic number, because the mean of its divisors is an integer number (145324665).

Almost surely, 2^1222879576 is an apocalyptic number.

It is an amenable number.

1222879576 is a deficient number, since it is larger than the sum of its proper divisors (1102315064).

1222879576 is a wasteful number, since it uses less digits than its factorization.

1222879576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153034 (or 2153030 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 1222879576 is about 34969.6951087652. The cubic root of 1222879576 is about 1069.3697560819.

The spelling of 1222879576 in words is "one billion, two hundred twenty-two million, eight hundred seventy-nine thousand, five hundred seventy-six".