22048487 has 2 divisors, whose sum is σ = 22048488. Its totient is φ = 22048486.

The previous prime is 22048483. The next prime is 22048501. The reversal of 22048487 is 78484022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22048487 - 2² = 22048483 is a prime.

It is a super-2 number, since 2×22048487² = 972271557978338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22048483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11024243 + 11024244.

It is an arithmetic number, because the mean of its divisors is an integer number (11024244).

Almost surely, 2^22048487 is an apocalyptic number.

22048487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22048487 is an equidigital number, since it uses as much as digits as its factorization.

22048487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 22048487 is about 4695.5816466121. The cubic root of 22048487 is about 280.4096342648.

The spelling of 22048487 in words is "twenty-two million, forty-eight thousand, four hundred eighty-seven".