223694951426736 has 160 divisors (see below), whose sum is σ = 628474883604480. Its totient is φ = 68300900870400.

The previous prime is 223694951426731. The next prime is 223694951426741. The reversal of 223694951426736 is 637624159496322.

It is an interprime number because it is at equal distance from previous prime (223694951426731) and next prime (223694951426741).

It is a super-2 number, since 2×223694951426736² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223694951426731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28226641 + ... + 35272271.

It is an arithmetic number, because the mean of its divisors is an integer number (3927968022528).

Almost surely, 2^{223694951426736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223694951426736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314237441802240).

223694951426736 is an abundant number, since it is smaller than the sum of its proper divisors (404779932177744).

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

223694951426736 is a wasteful number, since it uses less digits than its factorization.

223694951426736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046815 (or 7046809 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 69.

The spelling of 223694951426736 in words is "two hundred twenty-three trillion, six hundred ninety-four billion, nine hundred fifty-one million, four hundred twenty-six thousand, seven hundred thirty-six".