26222459 has 2 divisors, whose sum is σ = 26222460. Its totient is φ = 26222458.

The previous prime is 26222431. The next prime is 26222477. The reversal of 26222459 is 95422262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26222459 - 2¹² = 26218363 is a prime.

It is not a weakly prime, because it can be changed into another prime (26222059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13111229 + 13111230.

It is an arithmetic number, because the mean of its divisors is an integer number (13111230).

Almost surely, 2^26222459 is an apocalyptic number.

26222459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26222459 is an equidigital number, since it uses as much as digits as its factorization.

26222459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 26222459 is about 5120.7869512410. The cubic root of 26222459 is about 297.0921237723.

The spelling of 26222459 in words is "twenty-six million, two hundred twenty-two thousand, four hundred fifty-nine".