22148603 has 8 divisors (see below), whose sum is σ = 23598288. Its totient is φ = 20715264.

The previous prime is 22148597. The next prime is 22148627. The reversal of 22148603 is 30684122.

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 22148603 - 2¹⁰ = 22147579 is a prime.

It is a super-2 number, since 2×22148603² = 981121229703218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22148683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 6767.

It is an arithmetic number, because the mean of its divisors is an integer number (2949786).

Almost surely, 2^22148603 is an apocalyptic number.

22148603 is a deficient number, since it is larger than the sum of its proper divisors (1449685).

22148603 is a wasteful number, since it uses less digits than its factorization.

22148603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22148603 is about 4706.2302323622. The cubic root of 22148603 is about 280.8334140087.

The spelling of 22148603 in words is "twenty-two million, one hundred forty-eight thousand, six hundred three".