22064387 has 2 divisors, whose sum is σ = 22064388. Its totient is φ = 22064386.

The previous prime is 22064347. The next prime is 22064411. The reversal of 22064387 is 78346022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22064387 - 2⁸ = 22064131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22064327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032193 + 11032194.

It is an arithmetic number, because the mean of its divisors is an integer number (11032194).

Almost surely, 2^22064387 is an apocalyptic number.

22064387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22064387 is an equidigital number, since it uses as much as digits as its factorization.

22064387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 22064387 is about 4697.2744224710. The cubic root of 22064387 is about 280.4770227418.

The spelling of 22064387 in words is "twenty-two million, sixty-four thousand, three hundred eighty-seven".