223002146660 has 24 divisors (see below), whose sum is σ = 468320836536. Its totient is φ = 89197748480.

The previous prime is 223002146621. The next prime is 223002146687. The reversal of 223002146660 is 66641200322.

It can be written as a sum of positive squares in 4 ways, for example, as 1419179584 + 221582967076 = 37672^2 + 470726^2 .

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, 444824 + ... + 802416.

It is an arithmetic number, because the mean of its divisors is an integer number (19513368189).

Almost surely, 2^223002146660 is an apocalyptic number.

223002146660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223002146660 is an abundant number, since it is smaller than the sum of its proper divisors (245318689876).

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

223002146660 is a wasteful number, since it uses less digits than its factorization.

223002146660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388783 (or 388781 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 223002146660 its reverse (66641200322), we get a palindrome (289643346982).

The spelling of 223002146660 in words is "two hundred twenty-three billion, two million, one hundred forty-six thousand, six hundred sixty".