226787973 has 8 divisors (see below), whose sum is σ = 320171328. Its totient is φ = 142298304.

The previous prime is 226787969. The next prime is 226788011. The reversal of 226787973 is 379787622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226787973 - 2² = 226787969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 4446823 = 226787973 / (2 + 2 + 6 + 7 + 8 + 7 + 9 + 7 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226787903) 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, 2223361 + ... + 2223462.

It is an arithmetic number, because the mean of its divisors is an integer number (40021416).

Almost surely, 2^226787973 is an apocalyptic number.

It is an amenable number.

226787973 is a deficient number, since it is larger than the sum of its proper divisors (93383355).

226787973 is a wasteful number, since it uses less digits than its factorization.

226787973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446843.

The product of its digits is 1778112, while the sum is 51.

The square root of 226787973 is about 15059.4811663616. The cubic root of 226787973 is about 609.8270341814.

The spelling of 226787973 in words is "two hundred twenty-six million, seven hundred eighty-seven thousand, nine hundred seventy-three".