22220102 has 4 divisors (see below), whose sum is σ = 33330156. Its totient is φ = 11110050.

The previous prime is 22220083. The next prime is 22220113. The reversal of 22220102 is 20102222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5555024 + ... + 5555027.

It is an arithmetic number, because the mean of its divisors is an integer number (8332539).

Almost surely, 2^22220102 is an apocalyptic number.

22220102 is a deficient number, since it is larger than the sum of its proper divisors (11110054).

22220102 is a wasteful number, since it uses less digits than its factorization.

22220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110053.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22220102 is about 4713.8203190194. The cubic root of 22220102 is about 281.1352801595.

Adding to 22220102 its reverse (20102222), we get a palindrome (42322324).

It can be divided in two parts, 22220 and 102, that added together give a palindrome (22322).

The spelling of 22220102 in words is "twenty-two million, two hundred twenty thousand, one hundred two".