403220342 has 16 divisors (see below), whose sum is σ = 691725312. Its totient is φ = 172686120.

The previous prime is 403220341. The next prime is 403220347. The reversal of 403220342 is 243022304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403220341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11867 + ... + 30777.

It is an arithmetic number, because the mean of its divisors is an integer number (43232832).

Almost surely, 2^403220342 is an apocalyptic number.

403220342 is a deficient number, since it is larger than the sum of its proper divisors (288504970).

403220342 is a wasteful number, since it uses less digits than its factorization.

403220342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20443.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 403220342 is about 20080.3471583536. The cubic root of 403220342 is about 738.7783238921.

Adding to 403220342 its reverse (243022304), we get a palindrome (646242646).

The spelling of 403220342 in words is "four hundred three million, two hundred twenty thousand, three hundred forty-two".