22090603 has 16 divisors (see below), whose sum is σ = 23869440. Its totient is φ = 20395584.

The previous prime is 22090589. The next prime is 22090639. The reversal of 22090603 is 30609022.

It is a cyclic number.

It is not a de Polignac number, because 22090603 - 2²¹ = 19993451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22090643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98950 + ... + 99172.

It is an arithmetic number, because the mean of its divisors is an integer number (1491840).

Almost surely, 2^22090603 is an apocalyptic number.

22090603 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22090603 is a deficient number, since it is larger than the sum of its proper divisors (1778837).

22090603 is a wasteful number, since it uses less digits than its factorization.

22090603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 22090603 is about 4700.0641484984. The cubic root of 22090603 is about 280.5880625421.

Adding to 22090603 its reverse (30609022), we get a palindrome (52699625).

The spelling of 22090603 in words is "twenty-two million, ninety thousand, six hundred three".