63161222 has 16 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 29678208.

The previous prime is 63161221. The next prime is 63161251. The reversal of 63161222 is 22216136.

63161222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36104 + ... + 37812.

It is an arithmetic number, because the mean of its divisors is an integer number (6279120).

Almost surely, 2^63161222 is an apocalyptic number.

63161222 is a deficient number, since it is larger than the sum of its proper divisors (37304698).

63161222 is a wasteful number, since it uses less digits than its factorization.

63161222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its digits is 864, while the sum is 23.

The square root of 63161222 is about 7947.4034753497. The cubic root of 63161222 is about 398.2448557693.

Adding to 63161222 its reverse (22216136), we get a palindrome (85377358).

The spelling of 63161222 in words is "sixty-three million, one hundred sixty-one thousand, two hundred twenty-two".