23225441220413 has 8 divisors (see below), whose sum is σ = 23236318925496. Its totient is φ = 23214564172800.

The previous prime is 23225441220367. The next prime is 23225441220467. The reversal of 23225441220413 is 31402214452232.

It can be written as a sum of positive squares in 4 ways, for example, as 9611717476729 + 13613723743684 = 3100277^2 + 3689678^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23225441220413 - 2²⁰ = 23225440171837 is a prime.

It is a super-2 number, since 2×23225441220413² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23225441220493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79469393 + ... + 79761113.

It is an arithmetic number, because the mean of its divisors is an integer number (2904539865687).

Almost surely, 2^{23225441220413} is an apocalyptic number.

It is an amenable number.

23225441220413 is a deficient number, since it is larger than the sum of its proper divisors (10877705083).

23225441220413 is a wasteful number, since it uses less digits than its factorization.

23225441220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328735.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 23225441220413 its reverse (31402214452232), we get a palindrome (54627655672645).

The spelling of 23225441220413 in words is "twenty-three trillion, two hundred twenty-five billion, four hundred forty-one million, two hundred twenty thousand, four hundred thirteen".