22002222242 has 32 divisors (see below), whose sum is σ = 44312171904. Its totient is φ = 7912886400.

The previous prime is 22002222191. The next prime is 22002222293. The reversal of 22002222242 is 24222220022.

It is an interprime number because it is at equal distance from previous prime (22002222191) and next prime (22002222293).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5493059 + ... + 5497062.

It is an arithmetic number, because the mean of its divisors is an integer number (1384755372).

Almost surely, 2^22002222242 is an apocalyptic number.

22002222242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22002222242 is an abundant number, since it is smaller than the sum of its proper divisors (22309949662).

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

22002222242 is a wasteful number, since it uses less digits than its factorization.

22002222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990154.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22002222242 its reverse (24222220022), we get a palindrome (46224442264).

The spelling of 22002222242 in words is "twenty-two billion, two million, two hundred twenty-two thousand, two hundred forty-two".