63290222 has 4 divisors (see below), whose sum is σ = 94935336. Its totient is φ = 31645110.

The previous prime is 63290221. The next prime is 63290243. The reversal of 63290222 is 22209236.

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

It is a junction number, because it is equal to n+sod(n) for n = 63290191 and 63290200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63290221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15822554 + ... + 15822557.

It is an arithmetic number, because the mean of its divisors is an integer number (23733834).

Almost surely, 2^63290222 is an apocalyptic number.

63290222 is a deficient number, since it is larger than the sum of its proper divisors (31645114).

63290222 is a wasteful number, since it uses less digits than its factorization.

63290222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31645113.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 63290222 is about 7955.5151938765. The cubic root of 63290222 is about 398.5157954872.

Adding to 63290222 its reverse (22209236), we get a palindrome (85499458).

The spelling of 63290222 in words is "sixty-three million, two hundred ninety thousand, two hundred twenty-two".