23226145 has 8 divisors (see below), whose sum is σ = 28028160. Its totient is φ = 18476400.

The previous prime is 23226143. The next prime is 23226209. The reversal of 23226145 is 54162232.

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

It is not a de Polignac number, because 23226145 - 2¹ = 23226143 is a prime.

It is a super-2 number, since 2×23226145² = 1078907623122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23226143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12081 + ... + 13870.

It is an arithmetic number, because the mean of its divisors is an integer number (3503520).

Almost surely, 2^23226145 is an apocalyptic number.

It is an amenable number.

23226145 is a deficient number, since it is larger than the sum of its proper divisors (4802015).

23226145 is a wasteful number, since it uses less digits than its factorization.

23226145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26135.

The product of its digits is 2880, while the sum is 25.

The square root of 23226145 is about 4819.3510973989. The cubic root of 23226145 is about 285.3157268459.

Adding to 23226145 its reverse (54162232), we get a palindrome (77388377).

The spelling of 23226145 in words is "twenty-three million, two hundred twenty-six thousand, one hundred forty-five".