63662231 has 4 divisors (see below), whose sum is σ = 65142792. Its totient is φ = 62181672.

The previous prime is 63662177. The next prime is 63662233. The reversal of 63662231 is 13226636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63662231 - 2¹⁰ = 63661207 is a prime.

It is a super-2 number, since 2×63662231² = 8105759311794722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63662194 and 63662203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63662233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740216 + ... + 740301.

It is an arithmetic number, because the mean of its divisors is an integer number (16285698).

Almost surely, 2^63662231 is an apocalyptic number.

63662231 is a deficient number, since it is larger than the sum of its proper divisors (1480561).

63662231 is a wasteful number, since it uses less digits than its factorization.

63662231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480560.

The product of its digits is 7776, while the sum is 29.

The square root of 63662231 is about 7978.8615102657. The cubic root of 63662231 is about 399.2950730080.

Adding to 63662231 its reverse (13226636), we get a palindrome (76888867).

The spelling of 63662231 in words is "sixty-three million, six hundred sixty-two thousand, two hundred thirty-one".