226161202324445 has 4 divisors (see below), whose sum is σ = 271393442789340. Its totient is φ = 180928961859552.

The previous prime is 226161202324429. The next prime is 226161202324501. The reversal of 226161202324445 is 544423202161622.

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 169857759636601 + 56303442687844 = 13032949^2 + 7503562^2 .

It is a cyclic number.

It is not a de Polignac number, because 226161202324445 - 2⁴ = 226161202324429 is a prime.

It is a super-2 number, since 2×226161202324445² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226161202324396 and 226161202324405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22616120232440 + ... + 22616120232449.

It is an arithmetic number, because the mean of its divisors is an integer number (67848360697335).

Almost surely, 2^{226161202324445} is an apocalyptic number.

It is an amenable number.

226161202324445 is a deficient number, since it is larger than the sum of its proper divisors (45232240464895).

226161202324445 is an equidigital number, since it uses as much as digits as its factorization.

226161202324445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45232240464894.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 226161202324445 in words is "two hundred twenty-six trillion, one hundred sixty-one billion, two hundred two million, three hundred twenty-four thousand, four hundred forty-five".