22154103 has 12 divisors (see below), whose sum is σ = 32071000. Its totient is φ = 14736816.

The previous prime is 22154081. The next prime is 22154131. The reversal of 22154103 is 30145122.

It is not a de Polignac number, because 22154103 - 2⁶ = 22154039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2025 + ... + 6957.

Almost surely, 2^22154103 is an apocalyptic number.

22154103 is a deficient number, since it is larger than the sum of its proper divisors (9916897).

22154103 is a wasteful number, since it uses less digits than its factorization.

22154103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5435 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22154103 is about 4706.8145278946. The cubic root of 22154103 is about 280.8566578515.

Adding to 22154103 its reverse (30145122), we get a palindrome (52299225).

The spelling of 22154103 in words is "twenty-two million, one hundred fifty-four thousand, one hundred three".