22212311242 has 16 divisors (see below), whose sum is σ = 36349948800. Its totient is φ = 10095802240.

The previous prime is 22212311207. The next prime is 22212311257. The reversal of 22212311242 is 24211321222.

It is a super-2 number, since 2×22212311242² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 417759 + ... + 467917.

It is an arithmetic number, because the mean of its divisors is an integer number (2271871800).

Almost surely, 2^22212311242 is an apocalyptic number.

22212311242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212311242 is a deficient number, since it is larger than the sum of its proper divisors (14137637558).

22212311242 is a wasteful number, since it uses less digits than its factorization.

22212311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70301.

The product of its digits is 768, while the sum is 22.

Adding to 22212311242 its reverse (24211321222), we get a palindrome (46423632464).

The spelling of 22212311242 in words is "twenty-two billion, two hundred twelve million, three hundred eleven thousand, two hundred forty-two".