226623657 has 8 divisors (see below), whose sum is σ = 325408384. Its totient is φ = 139460688.

The previous prime is 226623643. The next prime is 226623673. The reversal of 226623657 is 756326622.

It is a happy number.

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

It is not a de Polignac number, because 226623657 - 2⁴ = 226623641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5810863 = 226623657 / (2 + 2 + 6 + 6 + 2 + 3 + 6 + 5 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226623157) 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, 2905393 + ... + 2905470.

It is an arithmetic number, because the mean of its divisors is an integer number (40676048).

Almost surely, 2^226623657 is an apocalyptic number.

It is an amenable number.

226623657 is a deficient number, since it is larger than the sum of its proper divisors (98784727).

226623657 is a wasteful number, since it uses less digits than its factorization.

226623657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810879.

The product of its digits is 181440, while the sum is 39.

The square root of 226623657 is about 15054.0246113788. The cubic root of 226623657 is about 609.6797180960.

The spelling of 226623657 in words is "two hundred twenty-six million, six hundred twenty-three thousand, six hundred fifty-seven".