63222077 has 2 divisors, whose sum is σ = 63222078. Its totient is φ = 63222076.

The previous prime is 63222073. The next prime is 63222119. The reversal of 63222077 is 77022236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 20894041 = 6506^2 + 4571^2 .

It is a cyclic number.

It is not a de Polignac number, because 63222077 - 2² = 63222073 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63222073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31611038 + 31611039.

It is an arithmetic number, because the mean of its divisors is an integer number (31611039).

Almost surely, 2^63222077 is an apocalyptic number.

It is an amenable number.

63222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

63222077 is an equidigital number, since it uses as much as digits as its factorization.

63222077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 63222077 is about 7951.2311625307. The cubic root of 63222077 is about 398.3727159271.

The spelling of 63222077 in words is "sixty-three million, two hundred twenty-two thousand, seventy-seven".