22084427 has 2 divisors, whose sum is σ = 22084428. Its totient is φ = 22084426.

The previous prime is 22084367. The next prime is 22084451. The reversal of 22084427 is 72448022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22084427 - 2⁸ = 22084171 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22084427.

It is not a weakly prime, because it can be changed into another prime (22084477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11042213 + 11042214.

It is an arithmetic number, because the mean of its divisors is an integer number (11042214).

Almost surely, 2^22084427 is an apocalyptic number.

22084427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22084427 is an equidigital number, since it uses as much as digits as its factorization.

22084427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 22084427 is about 4699.4070902615. The cubic root of 22084427 is about 280.5619115524.

The spelling of 22084427 in words is "twenty-two million, eighty-four thousand, four hundred twenty-seven".