63231422 has 4 divisors (see below), whose sum is σ = 94847136. Its totient is φ = 31615710.

The previous prime is 63231419. The next prime is 63231431. The reversal of 63231422 is 22413236.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15807854 + ... + 15807857.

It is an arithmetic number, because the mean of its divisors is an integer number (23711784).

Almost surely, 2^63231422 is an apocalyptic number.

63231422 is a deficient number, since it is larger than the sum of its proper divisors (31615714).

63231422 is a wasteful number, since it uses less digits than its factorization.

63231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31615713.

The product of its digits is 1728, while the sum is 23.

The square root of 63231422 is about 7951.8187856616. The cubic root of 63231422 is about 398.3923430879.

Adding to 63231422 its reverse (22413236), we get a palindrome (85644658).

The spelling of 63231422 in words is "sixty-three million, two hundred thirty-one thousand, four hundred twenty-two".