222636930869 has 4 divisors (see below), whose sum is σ = 222693686496. Its totient is φ = 222580175244.

The previous prime is 222636930829. The next prime is 222636930871. The reversal of 222636930869 is 968039636222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222636930869 - 2¹⁶ = 222636865333 is a prime.

It is a super-2 number, since 2×222636930869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222636930829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28371929 + ... + 28379774.

It is an arithmetic number, because the mean of its divisors is an integer number (55673421624).

Almost surely, 2^222636930869 is an apocalyptic number.

It is an amenable number.

222636930869 is a deficient number, since it is larger than the sum of its proper divisors (56755627).

222636930869 is an equidigital number, since it uses as much as digits as its factorization.

222636930869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56755626.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 222636930869 in words is "two hundred twenty-two billion, six hundred thirty-six million, nine hundred thirty thousand, eight hundred sixty-nine".