26223147 has 12 divisors (see below), whose sum is σ = 37927344. Its totient is φ = 17459280.

The previous prime is 26223139. The next prime is 26223193. The reversal of 26223147 is 74132262.

26223147 is a `hidden beast` number, since 2 + 622 + 31 + 4 + 7 = 666.

It is not a de Polignac number, because 26223147 - 2³ = 26223139 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26223147.

It is not an unprimeable number, because it can be changed into a prime (26223247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8197 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (3160612).

Almost surely, 2^26223147 is an apocalyptic number.

26223147 is a deficient number, since it is larger than the sum of its proper divisors (11704197).

26223147 is a wasteful number, since it uses less digits than its factorization.

26223147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810 (or 3807 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 26223147 is about 5120.8541279751. The cubic root of 26223147 is about 297.0947220233.

It can be divided in two parts, 262 and 23147, that added together give a square (23409 = 153²).

The spelling of 26223147 in words is "twenty-six million, two hundred twenty-three thousand, one hundred forty-seven".