22102242 has 16 divisors (see below), whose sum is σ = 44392320. Its totient is φ = 7336112.

The previous prime is 22102237. The next prime is 22102247. The reversal of 22102242 is 24220122.

It is an interprime number because it is at equal distance from previous prime (22102237) and next prime (22102247).

It is not an unprimeable number, because it can be changed into a prime (22102247) 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, 6273 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (2774520).

Almost surely, 2^22102242 is an apocalyptic number.

22102242 is an abundant number, since it is smaller than the sum of its proper divisors (22290078).

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

22102242 is a wasteful number, since it uses less digits than its factorization.

22102242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15657.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22102242 is about 4701.3021600403. The cubic root of 22102242 is about 280.6373322259.

Adding to 22102242 its reverse (24220122), we get a palindrome (46322364).

The spelling of 22102242 in words is "twenty-two million, one hundred two thousand, two hundred forty-two".