226655997 has 16 divisors (see below), whose sum is σ = 318543360. Its totient is φ = 142957872.

The previous prime is 226655941. The next prime is 226656013. The reversal of 226655997 is 799556622.

It is not a de Polignac number, because 226655997 - 2¹⁹ = 226131709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226605997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48318 + ... + 52800.

It is an arithmetic number, because the mean of its divisors is an integer number (19908960).

Almost surely, 2^226655997 is an apocalyptic number.

It is an amenable number.

226655997 is a deficient number, since it is larger than the sum of its proper divisors (91887363).

226655997 is a wasteful number, since it uses less digits than its factorization.

226655997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392.

The product of its digits is 2041200, while the sum is 51.

The square root of 226655997 is about 15055.0987044257. The cubic root of 226655997 is about 609.7087178696.

The spelling of 226655997 in words is "two hundred twenty-six million, six hundred fifty-five thousand, nine hundred ninety-seven".