22031459 has 2 divisors, whose sum is σ = 22031460. Its totient is φ = 22031458.

The previous prime is 22031423. The next prime is 22031479. The reversal of 22031459 is 95413022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22031459 - 2¹² = 22027363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22031419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015729 + 11015730.

It is an arithmetic number, because the mean of its divisors is an integer number (11015730).

Almost surely, 2^22031459 is an apocalyptic number.

22031459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031459 is an equidigital number, since it uses as much as digits as its factorization.

22031459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22031459 is about 4693.7681024951. The cubic root of 22031459 is about 280.3374290839.

The spelling of 22031459 in words is "twenty-two million, thirty-one thousand, four hundred fifty-nine".