22087411 has 2 divisors, whose sum is σ = 22087412. Its totient is φ = 22087410.

The previous prime is 22087361. The next prime is 22087427. The reversal of 22087411 is 11478022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22087411 - 2¹³ = 22079219 is a prime.

It is not a weakly prime, because it can be changed into another prime (22087441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11043705 + 11043706.

It is an arithmetic number, because the mean of its divisors is an integer number (11043706).

Almost surely, 2^22087411 is an apocalyptic number.

22087411 is a deficient number, since it is larger than the sum of its proper divisors (1).

22087411 is an equidigital number, since it uses as much as digits as its factorization.

22087411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 22087411 is about 4699.7245663975. The cubic root of 22087411 is about 280.5745472895.

The spelling of 22087411 in words is "twenty-two million, eighty-seven thousand, four hundred eleven".