226220001 has 16 divisors (see below), whose sum is σ = 353125248. Its totient is φ = 126115200.

The previous prime is 226219999. The next prime is 226220009. The reversal of 226220001 is 100022622.

It is not a de Polignac number, because 226220001 - 2¹ = 226219999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130510 + ... + 132231.

It is an arithmetic number, because the mean of its divisors is an integer number (22070328).

Almost surely, 2^226220001 is an apocalyptic number.

226220001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

226220001 is a deficient number, since it is larger than the sum of its proper divisors (126905247).

226220001 is a wasteful number, since it uses less digits than its factorization.

226220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262792.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 226220001 is about 15040.6117229320. The cubic root of 226220001 is about 609.3175212268.

Adding to 226220001 its reverse (100022622), we get a palindrome (326242623).

The spelling of 226220001 in words is "two hundred twenty-six million, two hundred twenty thousand, one".