22000242 has 16 divisors (see below), whose sum is σ = 48000672. Its totient is φ = 6666720.

The previous prime is 22000211. The next prime is 22000243. The reversal of 22000242 is 24200022.

It is a happy number.

22000242 is a modest number, since divided by 242 gives 22 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22000243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166603 + ... + 166734.

It is an arithmetic number, because the mean of its divisors is an integer number (3000042).

Almost surely, 2^22000242 is an apocalyptic number.

22000242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22000242 is an abundant number, since it is smaller than the sum of its proper divisors (26000430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22000242 is a wasteful number, since it uses less digits than its factorization.

22000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333353.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 22000242 is about 4690.4415570392. The cubic root of 22000242 is about 280.2049604762.

Adding to 22000242 its reverse (24200022), we get a palindrome (46200264).

The spelling of 22000242 in words is "twenty-two million, two hundred forty-two", and thus it is an aban number.