63228247 has 2 divisors, whose sum is σ = 63228248. Its totient is φ = 63228246.

The previous prime is 63228241. The next prime is 63228271. The reversal of 63228247 is 74282236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63228247 - 2¹¹ = 63226199 is a prime.

It is a super-2 number, since 2×63228247² = 7995622437386018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63228241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31614123 + 31614124.

It is an arithmetic number, because the mean of its divisors is an integer number (31614124).

Almost surely, 2^63228247 is an apocalyptic number.

63228247 is a deficient number, since it is larger than the sum of its proper divisors (1).

63228247 is an equidigital number, since it uses as much as digits as its factorization.

63228247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 63228247 is about 7951.6191432940. The cubic root of 63228247 is about 398.3856749008.

The spelling of 63228247 in words is "sixty-three million, two hundred twenty-eight thousand, two hundred forty-seven".