223005305144 has 32 divisors (see below), whose sum is σ = 428373111600. Its totient is φ = 108772980480.

The previous prime is 223005305143. The next prime is 223005305147. The reversal of 223005305144 is 441503500322.

It is a happy number.

It is a super-2 number, since 2×223005305144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223005305143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4498139 + ... + 4547445.

Almost surely, 2^223005305144 is an apocalyptic number.

It is an amenable number.

223005305144 is a deficient number, since it is larger than the sum of its proper divisors (205367806456).

223005305144 is a wasteful number, since it uses less digits than its factorization.

223005305144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63143 (or 63139 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 223005305144 its reverse (441503500322), we get a palindrome (664508805466).

The spelling of 223005305144 in words is "two hundred twenty-three billion, five million, three hundred five thousand, one hundred forty-four".