26222613 has 4 divisors (see below), whose sum is σ = 34963488. Its totient is φ = 17481740.

The previous prime is 26222591. The next prime is 26222617. The reversal of 26222613 is 31622262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26222613 - 2¹³ = 26214421 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 (26222617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4370433 + ... + 4370438.

It is an arithmetic number, because the mean of its divisors is an integer number (8740872).

Almost surely, 2^26222613 is an apocalyptic number.

It is an amenable number.

26222613 is a deficient number, since it is larger than the sum of its proper divisors (8740875).

26222613 is an equidigital number, since it uses as much as digits as its factorization.

26222613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740874.

The product of its digits is 1728, while the sum is 24.

The square root of 26222613 is about 5120.8019879702. The cubic root of 26222613 is about 297.0927053615.

Adding to 26222613 its reverse (31622262), we get a palindrome (57844875).

The spelling of 26222613 in words is "twenty-six million, two hundred twenty-two thousand, six hundred thirteen".