63015222 has 8 divisors (see below), whose sum is σ = 126030456. Its totient is φ = 21005072.

The previous prime is 63015221. The next prime is 63015223. The reversal of 63015222 is 22251036.

It is an interprime number because it is at equal distance from previous prime (63015221) and next prime (63015223).

It is a sphenic number, since it is the product of 3 distinct primes.

63015222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63015221) 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, 5251263 + ... + 5251274.

It is an arithmetic number, because the mean of its divisors is an integer number (15753807).

Almost surely, 2^63015222 is an apocalyptic number.

63015222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63015222 is a wasteful number, since it uses less digits than its factorization.

63015222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502542.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 63015222 is about 7938.2127711469. The cubic root of 63015222 is about 397.9377654093.

Adding to 63015222 its reverse (22251036), we get a palindrome (85266258).

The spelling of 63015222 in words is "sixty-three million, fifteen thousand, two hundred twenty-two".