223454622656550 has 48 divisors (see below), whose sum is σ = 554170875450192. Its totient is φ = 59587532572800.

The previous prime is 223454622656543. The next prime is 223454622656591. The reversal of 223454622656550 is 55656226454322.

It is a super-2 number, since 2×223454622656550² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20313240 + ... + 29317860.

It is an arithmetic number, because the mean of its divisors is an integer number (11545226571879).

Almost surely, 2^{223454622656550} is an apocalyptic number.

223454622656550 is an abundant number, since it is smaller than the sum of its proper divisors (330716252793642).

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

223454622656550 is a wasteful number, since it uses less digits than its factorization.

223454622656550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170073 (or 9170068 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 57.

The spelling of 223454622656550 in words is "two hundred twenty-three trillion, four hundred fifty-four billion, six hundred twenty-two million, six hundred fifty-six thousand, five hundred fifty".