22311011222 has 4 divisors (see below), whose sum is σ = 33466516836. Its totient is φ = 11155505610.

The previous prime is 22311011221. The next prime is 22311011227. The reversal of 22311011222 is 22211011322.

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

It is a super-3 number, since 3×22311011222³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22311011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311011221) by changing a digit.

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 as a sum of consecutive naturals, namely, 5577752804 + ... + 5577752807.

It is an arithmetic number, because the mean of its divisors is an integer number (8366629209).

Almost surely, 2^22311011222 is an apocalyptic number.

22311011222 is a deficient number, since it is larger than the sum of its proper divisors (11155505614).

22311011222 is a wasteful number, since it uses less digits than its factorization.

22311011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11155505613.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22311011222 its reverse (22211011322), we get a palindrome (44522022544).

The spelling of 22311011222 in words is "twenty-two billion, three hundred eleven million, eleven thousand, two hundred twenty-two".