22022000242 has 24 divisors (see below), whose sum is σ = 36370466748. Its totient is φ = 9993054720.

The previous prime is 22022000239. The next prime is 22022000327. The reversal of 22022000242 is 24200022022.

It can be written as a sum of positive squares in 2 ways, for example, as 18848818681 + 3173181561 = 137291^2 + 56331^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66778 + ... + 220234.

Almost surely, 2^22022000242 is an apocalyptic number.

22022000242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022000242 is a deficient number, since it is larger than the sum of its proper divisors (14348466506).

22022000242 is a wasteful number, since it uses less digits than its factorization.

22022000242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154074 (or 154063 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22022000242 its reverse (24200022022), we get a palindrome (46222022264).

The spelling of 22022000242 in words is "twenty-two billion, twenty-two million, two hundred forty-two", and thus it is an aban number.