226720061 has 8 divisors (see below), whose sum is σ = 233785440. Its totient is φ = 219758032.

The previous prime is 226720051. The next prime is 226720063. The reversal of 226720061 is 160027622.

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 226720061 - 2¹⁰ = 226719037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226720061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226720063) 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, 21371 + ... + 30168.

It is an arithmetic number, because the mean of its divisors is an integer number (29223180).

Almost surely, 2^226720061 is an apocalyptic number.

It is an amenable number.

226720061 is a deficient number, since it is larger than the sum of its proper divisors (7065379).

226720061 is an equidigital number, since it uses as much as digits as its factorization.

226720061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51675.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 226720061 is about 15057.2262053806. The cubic root of 226720061 is about 609.7661568966.

Adding to 226720061 its reverse (160027622), we get a palindrome (386747683).

The spelling of 226720061 in words is "two hundred twenty-six million, seven hundred twenty thousand, sixty-one".