1222671876 has 12 divisors (see below), whose sum is σ = 2852901072. Its totient is φ = 407557288.

The previous prime is 1222671839. The next prime is 1222671887. The reversal of 1222671876 is 6781762221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1222671876² = 2989853032722718752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 50944650 + ... + 50944673.

It is an arithmetic number, because the mean of its divisors is an integer number (237741756).

Almost surely, 2^1222671876 is an apocalyptic number.

It is an amenable number.

1222671876 is an abundant number, since it is smaller than the sum of its proper divisors (1630229196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222671876 is a wasteful number, since it uses less digits than its factorization.

1222671876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101889330 (or 101889328 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 1222671876 is about 34966.7252684606. The cubic root of 1222671876 is about 1069.3092102799.

The spelling of 1222671876 in words is "one billion, two hundred twenty-two million, six hundred seventy-one thousand, eight hundred seventy-six".