22011022010 has 16 divisors (see below), whose sum is σ = 39732083496. Its totient is φ = 8779465728.

The previous prime is 22011021947. The next prime is 22011022027. The reversal of 22011022010 is 1022011022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14440107889 + 7570914121 = 120167^2 + 87011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22011021982 and 22011022000.

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, 3114179 + ... + 3121238.

Almost surely, 2^22011022010 is an apocalyptic number.

22011022010 is a deficient number, since it is larger than the sum of its proper divisors (17721061486).

22011022010 is a wasteful number, since it uses less digits than its factorization.

22011022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235777.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011022010 its reverse (1022011022), we get a palindrome (23033033032).

The spelling of 22011022010 in words is "twenty-two billion, eleven million, twenty-two thousand, ten".