22254102 has 40 divisors (see below), whose sum is σ = 53706576. Its totient is φ = 6846768.

The previous prime is 22254097. The next prime is 22254109. The reversal of 22254102 is 20145222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3178 + ... + 7389.

Almost surely, 2^22254102 is an apocalyptic number.

22254102 is an abundant number, since it is smaller than the sum of its proper divisors (31452474).

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

22254102 is a wasteful number, since it uses less digits than its factorization.

22254102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594 (or 10585 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22254102 is about 4717.4253571201. The cubic root of 22254102 is about 281.2785997583.

Adding to 22254102 its reverse (20145222), we get a palindrome (42399324).

The spelling of 22254102 in words is "twenty-two million, two hundred fifty-four thousand, one hundred two".