22045903 has 8 divisors (see below), whose sum is σ = 24227280. Its totient is φ = 19894080.

The previous prime is 22045901. The next prime is 22045921. The reversal of 22045903 is 30954022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22045903 - 2¹ = 22045901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045901) 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, 5808 + ... + 8821.

It is an arithmetic number, because the mean of its divisors is an integer number (3028410).

Almost surely, 2^22045903 is an apocalyptic number.

22045903 is a deficient number, since it is larger than the sum of its proper divisors (2181377).

22045903 is a wasteful number, since it uses less digits than its factorization.

22045903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14777.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22045903 is about 4695.3064862690. The cubic root of 22045903 is about 280.3986795176.

Adding to 22045903 its reverse (30954022), we get a palindrome (52999925).

The spelling of 22045903 in words is "twenty-two million, forty-five thousand, nine hundred three".