226672993 has 4 divisors (see below), whose sum is σ = 230056240. Its totient is φ = 223289748.

The previous prime is 226672937. The next prime is 226673003. The reversal of 226672993 is 399276622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226672993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226672913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691523 + ... + 1691656.

It is an arithmetic number, because the mean of its divisors is an integer number (57514060).

Almost surely, 2^226672993 is an apocalyptic number.

It is an amenable number.

226672993 is a deficient number, since it is larger than the sum of its proper divisors (3383247).

226672993 is an equidigital number, since it uses as much as digits as its factorization.

226672993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383246.

The product of its digits is 489888, while the sum is 46.

The square root of 226672993 is about 15055.6631537771. The cubic root of 226672993 is about 609.7239573375.

The spelling of 226672993 in words is "two hundred twenty-six million, six hundred seventy-two thousand, nine hundred ninety-three".