223220756210465 has 96 divisors (see below), whose sum is σ = 296213870211840. Its totient is φ = 161364379557888.

The previous prime is 223220756210461. The next prime is 223220756210489. The reversal of 223220756210465 is 564012657022322.

It is not a de Polignac number, because 223220756210465 - 2² = 223220756210461 is a prime.

It is a super-3 number, since 3×223220756210465³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223220756210461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16587699017 + ... + 16587712473.

It is an arithmetic number, because the mean of its divisors is an integer number (3085561148040).

Almost surely, 2^{223220756210465} is an apocalyptic number.

It is an amenable number.

223220756210465 is a deficient number, since it is larger than the sum of its proper divisors (72993114001375).

223220756210465 is a wasteful number, since it uses less digits than its factorization.

223220756210465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923 (or 14910 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 223220756210465 in words is "two hundred twenty-three trillion, two hundred twenty billion, seven hundred fifty-six million, two hundred ten thousand, four hundred sixty-five".