22483987 has 2 divisors, whose sum is σ = 22483988. Its totient is φ = 22483986.

The previous prime is 22483939. The next prime is 22483991. The reversal of 22483987 is 78938422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22483987 is a prime.

It is not a weakly prime, because it can be changed into another prime (22483997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11241993 + 11241994.

It is an arithmetic number, because the mean of its divisors is an integer number (11241994).

Almost surely, 2^22483987 is an apocalyptic number.

22483987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22483987 is an equidigital number, since it uses as much as digits as its factorization.

22483987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 22483987 is about 4741.7282714217. The cubic root of 22483987 is about 282.2438202816.

The spelling of 22483987 in words is "twenty-two million, four hundred eighty-three thousand, nine hundred eighty-seven".