3223540042 has 4 divisors (see below), whose sum is σ = 4835310066. Its totient is φ = 1611770020.

The previous prime is 3223540031. The next prime is 3223540049. The reversal of 3223540042 is 2400453223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2400453223 = 7 ⋅342921889.

It can be written as a sum of positive squares in only one way, i.e., 1642761961 + 1580778081 = 40531^2 + 39759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3223539989 and 3223540016.

It is not an unprimeable number, because it can be changed into a prime (3223540049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805885009 + ... + 805885012.

Almost surely, 2^3223540042 is an apocalyptic number.

3223540042 is a deficient number, since it is larger than the sum of its proper divisors (1611770024).

3223540042 is a wasteful number, since it uses less digits than its factorization.

3223540042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611770023.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3223540042 is about 56776.2277894543. The cubic root of 3223540042 is about 1477.2172023917.

Adding to 3223540042 its reverse (2400453223), we get a palindrome (5623993265).

The spelling of 3223540042 in words is "three billion, two hundred twenty-three million, five hundred forty thousand, forty-two".