1223666244 has 48 divisors (see below), whose sum is σ = 3239980800. Its totient is φ = 399208608.

The previous prime is 1223666237. The next prime is 1223666299. The reversal of 1223666244 is 4426663221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1223666199 and 1223666208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115459 + ... + 125610.

It is an arithmetic number, because the mean of its divisors is an integer number (67499600).

Almost surely, 2^1223666244 is an apocalyptic number.

It is an amenable number.

1223666244 is an abundant number, since it is smaller than the sum of its proper divisors (2016314556).

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

1223666244 is a wasteful number, since it uses less digits than its factorization.

1223666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241129 (or 241121 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 1223666244 is about 34980.9411537197. The cubic root of 1223666244 is about 1069.5990124102.

The spelling of 1223666244 in words is "one billion, two hundred twenty-three million, six hundred sixty-six thousand, two hundred forty-four".