223340015550 has 48 divisors (see below), whose sum is σ = 566764260480. Its totient is φ = 58172281440.

The previous prime is 223340015543. The next prime is 223340015617. The reversal of 223340015550 is 55510043322.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 17306730 + ... + 17319629.

It is an arithmetic number, because the mean of its divisors is an integer number (11807588760).

Almost surely, 2^223340015550 is an apocalyptic number.

223340015550 is an abundant number, since it is smaller than the sum of its proper divisors (343424244930).

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

223340015550 is a wasteful number, since it uses less digits than its factorization.

223340015550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34626417 (or 34626412 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 223340015550 its reverse (55510043322), we get a palindrome (278850058872).

The spelling of 223340015550 in words is "two hundred twenty-three billion, three hundred forty million, fifteen thousand, five hundred fifty".