226242121745 has 4 divisors (see below), whose sum is σ = 271490546100. Its totient is φ = 180993697392.

The previous prime is 226242121723. The next prime is 226242121769. The reversal of 226242121745 is 547121242622.

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 81270036241 + 144972085504 = 285079^2 + 380752^2 .

It is a cyclic number.

It is not a de Polignac number, because 226242121745 - 2⁸ = 226242121489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226242121699 and 226242121708.

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, 22624212170 + ... + 22624212179.

It is an arithmetic number, because the mean of its divisors is an integer number (67872636525).

Almost surely, 2^226242121745 is an apocalyptic number.

It is an amenable number.

226242121745 is a deficient number, since it is larger than the sum of its proper divisors (45248424355).

226242121745 is an equidigital number, since it uses as much as digits as its factorization.

226242121745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45248424354.

The product of its digits is 107520, while the sum is 38.

The spelling of 226242121745 in words is "two hundred twenty-six billion, two hundred forty-two million, one hundred twenty-one thousand, seven hundred forty-five".