223066266215540 has 24 divisors (see below), whose sum is σ = 511024537148832. Its totient is φ = 81115005896480.

The previous prime is 223066266215531. The next prime is 223066266215557. The reversal of 223066266215540 is 45512662660322.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506968786634 + ... + 506968787073.

It is an arithmetic number, because the mean of its divisors is an integer number (21292689047868).

Almost surely, 2^{223066266215540} is an apocalyptic number.

223066266215540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223066266215540 is an abundant number, since it is smaller than the sum of its proper divisors (287958270933292).

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

223066266215540 is a wasteful number, since it uses less digits than its factorization.

223066266215540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013937573727 (or 1013937573725 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 223066266215540 in words is "two hundred twenty-three trillion, sixty-six billion, two hundred sixty-six million, two hundred fifteen thousand, five hundred forty".