223422013513 has 4 divisors (see below), whose sum is σ = 223462224580. Its totient is φ = 223381802448.

The previous prime is 223422013483. The next prime is 223422013553. The reversal of 223422013513 is 315310224322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143543992384 + 79878021129 = 378872^2 + 282627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223422013513 is a prime.

It is a super-2 number, since 2×223422013513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223422013553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20097198 + ... + 20108311.

It is an arithmetic number, because the mean of its divisors is an integer number (55865556145).

Almost surely, 2^223422013513 is an apocalyptic number.

It is an amenable number.

223422013513 is a deficient number, since it is larger than the sum of its proper divisors (40211067).

223422013513 is an equidigital number, since it uses as much as digits as its factorization.

223422013513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40211066.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 223422013513 its reverse (315310224322), we get a palindrome (538732237835).

The spelling of 223422013513 in words is "two hundred twenty-three billion, four hundred twenty-two million, thirteen thousand, five hundred thirteen".