1222683620 has 12 divisors (see below), whose sum is σ = 2567635644. Its totient is φ = 489073440.

The previous prime is 1222683619. The next prime is 1222683647. The reversal of 1222683620 is 263862221.

It can be written as a sum of positive squares in 2 ways, for example, as 241615936 + 981067684 = 15544^2 + 31322^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct 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, 30567071 + ... + 30567110.

It is an arithmetic number, because the mean of its divisors is an integer number (213969637).

Almost surely, 2^1222683620 is an apocalyptic number.

1222683620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222683620 is an abundant number, since it is smaller than the sum of its proper divisors (1344952024).

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

1222683620 is a wasteful number, since it uses less digits than its factorization.

1222683620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61134190 (or 61134188 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1222683620 is about 34966.8931991391. The cubic root of 1222683620 is about 1069.3126339096.

The spelling of 1222683620 in words is "one billion, two hundred twenty-two million, six hundred eighty-three thousand, six hundred twenty".