26222458 has 4 divisors (see below), whose sum is σ = 39333690. Its totient is φ = 13111228.

The previous prime is 26222431. The next prime is 26222459. The reversal of 26222458 is 85422262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85422262 = 2 ⋅42711131.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 243049 = 5097^2 + 493^2 .

It is not an unprimeable number, because it can be changed into a prime (26222459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555613 + ... + 6555616.

Almost surely, 2^26222458 is an apocalyptic number.

26222458 is a deficient number, since it is larger than the sum of its proper divisors (13111232).

26222458 is a wasteful number, since it uses less digits than its factorization.

26222458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111231.

The product of its digits is 15360, while the sum is 31.

The square root of 26222458 is about 5120.7868535997. The cubic root of 26222458 is about 297.0921199957.

The spelling of 26222458 in words is "twenty-six million, two hundred twenty-two thousand, four hundred fifty-eight".