22421459 has 2 divisors, whose sum is σ = 22421460. Its totient is φ = 22421458.

The previous prime is 22421449. The next prime is 22421461. The reversal of 22421459 is 95412422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22421459 - 2¹² = 22417363 is a prime.

Together with 22421461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22421429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210729 + 11210730.

It is an arithmetic number, because the mean of its divisors is an integer number (11210730).

Almost surely, 2^22421459 is an apocalyptic number.

22421459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421459 is an equidigital number, since it uses as much as digits as its factorization.

22421459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 22421459 is about 4735.1303044372. The cubic root of 22421459 is about 281.9819372097.

The spelling of 22421459 in words is "twenty-two million, four hundred twenty-one thousand, four hundred fifty-nine".