26222385 has 16 divisors (see below), whose sum is σ = 47949696. Its totient is φ = 11987328.

The previous prime is 26222377. The next prime is 26222407. The reversal of 26222385 is 58322262.

It is not a de Polignac number, because 26222385 - 2³ = 26222377 is a prime.

It is a super-2 number, since 2×26222385² = 1375226950176450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 124764 + ... + 124973.

It is an arithmetic number, because the mean of its divisors is an integer number (2996856).

Almost surely, 2^26222385 is an apocalyptic number.

It is an amenable number.

26222385 is a deficient number, since it is larger than the sum of its proper divisors (21727311).

26222385 is a wasteful number, since it uses less digits than its factorization.

26222385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249752.

The product of its digits is 11520, while the sum is 30.

The square root of 26222385 is about 5120.7797257840. The cubic root of 26222385 is about 297.0918443065.

The spelling of 26222385 in words is "twenty-six million, two hundred twenty-two thousand, three hundred eighty-five".