40220003 has 4 divisors (see below), whose sum is σ = 40232688. Its totient is φ = 40207320.

The previous prime is 40219997. The next prime is 40220021. The reversal of 40220003 is 30002204.

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 40220003 - 2⁴ = 40219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40220053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (10058172).

Almost surely, 2^40220003 is an apocalyptic number.

40220003 is a deficient number, since it is larger than the sum of its proper divisors (12685).

40220003 is an equidigital number, since it uses as much as digits as its factorization.

40220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40220003 is about 6341.9242348044. The cubic root of 40220003 is about 342.6210430501.

Adding to 40220003 its reverse (30002204), we get a palindrome (70222207).

The spelling of 40220003 in words is "forty million, two hundred twenty thousand, three".