40220603 has 4 divisors (see below), whose sum is σ = 40233288. Its totient is φ = 40207920.

The previous prime is 40220599. The next prime is 40220639. The reversal of 40220603 is 30602204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40220603 - 2² = 40220599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40220683) 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 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (10058322).

Almost surely, 2^40220603 is an apocalyptic number.

40220603 is a deficient number, since it is larger than the sum of its proper divisors (12685).

40220603 is an equidigital number, since it uses as much as digits as its factorization.

40220603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40220603 is about 6341.9715388828. The cubic root of 40220603 is about 342.6227467762.

Adding to 40220603 its reverse (30602204), we get a palindrome (70822807).

The spelling of 40220603 in words is "forty million, two hundred twenty thousand, six hundred three".