22031220310 has 32 divisors (see below), whose sum is σ = 43268027904. Its totient is φ = 8010108000.

The previous prime is 22031220307. The next prime is 22031220349. The reversal of 22031220310 is 1302213022.

It is a super-2 number, since 2×22031220310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988995 + ... + 1011025.

It is an arithmetic number, because the mean of its divisors is an integer number (1352125872).

Almost surely, 2^22031220310 is an apocalyptic number.

22031220310 is a deficient number, since it is larger than the sum of its proper divisors (21236807594).

22031220310 is a wasteful number, since it uses less digits than its factorization.

22031220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22031220310 its reverse (1302213022), we get a palindrome (23333433332).

The spelling of 22031220310 in words is "twenty-two billion, thirty-one million, two hundred twenty thousand, three hundred ten".