22721483 has 2 divisors, whose sum is σ = 22721484. Its totient is φ = 22721482.

The previous prime is 22721467. The next prime is 22721507. The reversal of 22721483 is 38412722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22721483 - 2⁴ = 22721467 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_1431794 and since 22721483 and 1431794 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22721383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11360741 + 11360742.

It is an arithmetic number, because the mean of its divisors is an integer number (11360742).

Almost surely, 2^22721483 is an apocalyptic number.

22721483 is a deficient number, since it is larger than the sum of its proper divisors (1).

22721483 is an equidigital number, since it uses as much as digits as its factorization.

22721483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 22721483 is about 4766.7056758311. The cubic root of 22721483 is about 283.2341122780.

The spelling of 22721483 in words is "twenty-two million, seven hundred twenty-one thousand, four hundred eighty-three".