226197001 has 4 divisors (see below), whose sum is σ = 227848212. Its totient is φ = 224545792.

The previous prime is 226196963. The next prime is 226197029. The reversal of 226197001 is 100791622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100791622 = 2 ⋅50395811.

It can be written as a sum of positive squares in 2 ways, for example, as 49280400 + 176916601 = 7020^2 + 13301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226197001 is a prime.

It is a super-2 number, since 2×226197001² = 102330166522788002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226197031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825400 + ... + 825673.

It is an arithmetic number, because the mean of its divisors is an integer number (56962053).

Almost surely, 2^226197001 is an apocalyptic number.

It is an amenable number.

226197001 is a deficient number, since it is larger than the sum of its proper divisors (1651211).

226197001 is a wasteful number, since it uses less digits than its factorization.

226197001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651210.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 226197001 is about 15039.8471069356. The cubic root of 226197001 is about 609.2968705653.

The spelling of 226197001 in words is "two hundred twenty-six million, one hundred ninety-seven thousand, one".