64223226142 has 16 divisors (see below), whose sum is σ = 97357761072. Its totient is φ = 31771635840.

The previous prime is 64223226139. The next prime is 64223226241. The reversal of 64223226142 is 24162232246.

It is a junction number, because it is equal to n+sod(n) for n = 64223226098 and 64223226107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119793 + ... + 377884.

It is an arithmetic number, because the mean of its divisors is an integer number (6084860067).

Almost surely, 2^64223226142 is an apocalyptic number.

64223226142 is a deficient number, since it is larger than the sum of its proper divisors (33134534930).

64223226142 is a wasteful number, since it uses less digits than its factorization.

64223226142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498363.

The product of its digits is 55296, while the sum is 34.

Adding to 64223226142 its reverse (24162232246), we get a palindrome (88385458388).

The spelling of 64223226142 in words is "sixty-four billion, two hundred twenty-three million, two hundred twenty-six thousand, one hundred forty-two".