26222229 has 12 divisors (see below), whose sum is σ = 41320032. Its totient is φ = 15892200.

The previous prime is 26222219. The next prime is 26222237. The reversal of 26222229 is 92222262.

It is not a de Polignac number, because 26222229 - 2⁴ = 26222213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26222219) 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 11 ways as a sum of consecutive naturals, for example, 132337 + ... + 132534.

It is an arithmetic number, because the mean of its divisors is an integer number (3443336).

Almost surely, 2^26222229 is an apocalyptic number.

It is an amenable number.

26222229 is a deficient number, since it is larger than the sum of its proper divisors (15097803).

26222229 is a wasteful number, since it uses less digits than its factorization.

26222229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264888 (or 264885 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 26222229 is about 5120.7644937060. The cubic root of 26222229 is about 297.0912551608.

It can be divided in two parts, 2622 and 2229, that added together give a triangular number (4851 = T₉₈).

The spelling of 26222229 in words is "twenty-six million, two hundred twenty-two thousand, two hundred twenty-nine".