63220867 has 2 divisors, whose sum is σ = 63220868. Its totient is φ = 63220866.

The previous prime is 63220853. The next prime is 63220921. The reversal of 63220867 is 76802236.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63220867 is a prime.

It is not a weakly prime, because it can be changed into another prime (63220837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31610433 + 31610434.

It is an arithmetic number, because the mean of its divisors is an integer number (31610434).

Almost surely, 2^63220867 is an apocalyptic number.

63220867 is a deficient number, since it is larger than the sum of its proper divisors (1).

63220867 is an equidigital number, since it uses as much as digits as its factorization.

63220867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 63220867 is about 7951.1550733211. The cubic root of 63220867 is about 398.3701744411.

The spelling of 63220867 in words is "sixty-three million, two hundred twenty thousand, eight hundred sixty-seven".