22103642 has 16 divisors (see below), whose sum is σ = 36784800. Its totient is φ = 9876240.

The previous prime is 22103639. The next prime is 22103657. The reversal of 22103642 is 24630122.

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 in 7 ways as a sum of consecutive naturals, for example, 7217 + ... + 9812.

It is an arithmetic number, because the mean of its divisors is an integer number (2299050).

Almost surely, 2^22103642 is an apocalyptic number.

22103642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22103642 is a deficient number, since it is larger than the sum of its proper divisors (14681158).

22103642 is a wasteful number, since it uses less digits than its factorization.

22103642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22103642 is about 4701.4510526007. The cubic root of 22103642 is about 280.6432574765.

Adding to 22103642 its reverse (24630122), we get a palindrome (46733764).

The spelling of 22103642 in words is "twenty-two million, one hundred three thousand, six hundred forty-two".