10642223122 has 4 divisors (see below), whose sum is σ = 15963334686. Its totient is φ = 5321111560.

The previous prime is 10642223107. The next prime is 10642223131. The reversal of 10642223122 is 22132224601.

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

It can be written as a sum of positive squares in only one way, i.e., 10381368321 + 260854801 = 101889^2 + 16151^2 .

It is a super-2 number, since 2×10642223122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660555779 + ... + 2660555782.

Almost surely, 2^10642223122 is an apocalyptic number.

10642223122 is a deficient number, since it is larger than the sum of its proper divisors (5321111564).

10642223122 is an equidigital number, since it uses as much as digits as its factorization.

10642223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321111563.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10642223122 its reverse (22132224601), we get a palindrome (32774447723).

The spelling of 10642223122 in words is "ten billion, six hundred forty-two million, two hundred twenty-three thousand, one hundred twenty-two".