26222087 has 4 divisors (see below), whose sum is σ = 26232816. Its totient is φ = 26211360.

The previous prime is 26222081. The next prime is 26222089. The reversal of 26222087 is 78022262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26222087 - 2⁸ = 26221831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26222081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (6558204).

Almost surely, 2^26222087 is an apocalyptic number.

26222087 is a deficient number, since it is larger than the sum of its proper divisors (10729).

26222087 is an equidigital number, since it uses as much as digits as its factorization.

26222087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10728.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 26222087 is about 5120.7506285700. The cubic root of 26222087 is about 297.0907188851.

The spelling of 26222087 in words is "twenty-six million, two hundred twenty-two thousand, eighty-seven".