26223145 has 8 divisors (see below), whose sum is σ = 33888456. Its totient is φ = 19364736.

The previous prime is 26223139. The next prime is 26223193. The reversal of 26223145 is 54132262.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 26132544 = 301^2 + 5112^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26223145 - 2¹⁵ = 26190377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201652 + ... + 201781.

It is an arithmetic number, because the mean of its divisors is an integer number (4236057).

Almost surely, 2^26223145 is an apocalyptic number.

It is an amenable number.

26223145 is a deficient number, since it is larger than the sum of its proper divisors (7665311).

26223145 is a wasteful number, since it uses less digits than its factorization.

26223145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403451.

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

The square root of 26223145 is about 5120.8539326952. The cubic root of 26223145 is about 297.0947144703.

The spelling of 26223145 in words is "twenty-six million, two hundred twenty-three thousand, one hundred forty-five".