322240042 has 4 divisors (see below), whose sum is σ = 483360066. Its totient is φ = 161120020.

The previous prime is 322240013. The next prime is 322240043. The reversal of 322240042 is 240042223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 322166601 + 73441 = 17949^2 + 271^2 .

It is not an unprimeable number, because it can be changed into a prime (322240043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80560009 + ... + 80560012.

Almost surely, 2^322240042 is an apocalyptic number.

322240042 is a deficient number, since it is larger than the sum of its proper divisors (161120024).

322240042 is a wasteful number, since it uses less digits than its factorization.

322240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161120023.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 322240042 is about 17951.0457077018. The cubic root of 322240042 is about 685.5826764738.

Adding to 322240042 its reverse (240042223), we get a palindrome (562282265).

It can be divided in two parts, 3222 and 40042, that added together give a square (43264 = 208²).

The spelling of 322240042 in words is "three hundred twenty-two million, two hundred forty thousand, forty-two".