226972739 has 8 divisors (see below), whose sum is σ = 259716960. Its totient is φ = 194308416.

The previous prime is 226972721. The next prime is 226972747. The reversal of 226972739 is 937279622.

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 226972739 - 2¹⁶ = 226907203 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 226972693 and 226972702.

It is not an unprimeable number, because it can be changed into a prime (226972709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13754 + ... + 25359.

It is an arithmetic number, because the mean of its divisors is an integer number (32464620).

Almost surely, 2^226972739 is an apocalyptic number.

226972739 is a deficient number, since it is larger than the sum of its proper divisors (32744221).

226972739 is an equidigital number, since it uses as much as digits as its factorization.

226972739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39949.

The product of its digits is 571536, while the sum is 47.

The square root of 226972739 is about 15065.6144580963. The cubic root of 226972739 is about 609.9925995698.

The spelling of 226972739 in words is "two hundred twenty-six million, nine hundred seventy-two thousand, seven hundred thirty-nine".