10221143346 has 24 divisors (see below), whose sum is σ = 22148747244. Its totient is φ = 3406596000.

The previous prime is 10221143321. The next prime is 10221143353. The reversal of 10221143346 is 64334112201.

It is a happy number.

10221143346 is a `hidden beast` number, since 1 + 0 + 221 + 1 + 433 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8679717225 + 1541426121 = 93165^2 + 39261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119620 + ... + 186416.

Almost surely, 2^10221143346 is an apocalyptic number.

10221143346 is an abundant number, since it is smaller than the sum of its proper divisors (11927603898).

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

10221143346 is a wasteful number, since it uses less digits than its factorization.

10221143346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75306 (or 75303 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 10221143346 its reverse (64334112201), we get a palindrome (74555255547).

The spelling of 10221143346 in words is "ten billion, two hundred twenty-one million, one hundred forty-three thousand, three hundred forty-six".