1229884636 has 12 divisors (see below), whose sum is σ = 2157094800. Its totient is φ = 613571840.

The previous prime is 1229884633. The next prime is 1229884639. The reversal of 1229884636 is 6364889221.

It is an interprime number because it is at equal distance from previous prime (1229884633) and next prime (1229884639).

It is a self number, because there is not a number n which added to its sum of digits gives 1229884636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229884633) 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, 340600 + ... + 344191.

It is an arithmetic number, because the mean of its divisors is an integer number (179757900).

Almost surely, 2^1229884636 is an apocalyptic number.

It is an amenable number.

1229884636 is a deficient number, since it is larger than the sum of its proper divisors (927210164).

1229884636 is a wasteful number, since it uses less digits than its factorization.

1229884636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685244 (or 685242 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 1229884636 is about 35069.7110909115. The cubic root of 1229884636 is about 1071.4077711501.

The spelling of 1229884636 in words is "one billion, two hundred twenty-nine million, eight hundred eighty-four thousand, six hundred thirty-six".