215223530044 has 24 divisors (see below), whose sum is σ = 389669212800. Its totient is φ = 103890239040.

The previous prime is 215223530023. The next prime is 215223530083. The reversal of 215223530044 is 440035322512.

215223530044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215223529988 and 215223530015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089877 + ... + 1272115.

It is an arithmetic number, because the mean of its divisors is an integer number (16236217200).

Almost surely, 2^215223530044 is an apocalyptic number.

It is an amenable number.

215223530044 is a deficient number, since it is larger than the sum of its proper divisors (174445682756).

215223530044 is a wasteful number, since it uses less digits than its factorization.

215223530044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192453 (or 192451 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 215223530044 its reverse (440035322512), we get a palindrome (655258852556).

The spelling of 215223530044 in words is "two hundred fifteen billion, two hundred twenty-three million, five hundred thirty thousand, forty-four".