22064459 has 2 divisors, whose sum is σ = 22064460. Its totient is φ = 22064458.

The previous prime is 22064423. The next prime is 22064473. The reversal of 22064459 is 95446022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22064459 - 2¹⁶ = 21998923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22060459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032229 + 11032230.

It is an arithmetic number, because the mean of its divisors is an integer number (11032230).

Almost surely, 2^22064459 is an apocalyptic number.

22064459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22064459 is an equidigital number, since it uses as much as digits as its factorization.

22064459 is an evil number, because the sum of its binary digits is even.

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

The square root of 22064459 is about 4697.2820864836. The cubic root of 22064459 is about 280.4773278235.

The spelling of 22064459 in words is "twenty-two million, sixty-four thousand, four hundred fifty-nine".