223021332242 has 4 divisors (see below), whose sum is σ = 334531998366. Its totient is φ = 111510666120.

The previous prime is 223021332241. The next prime is 223021332271. The reversal of 223021332242 is 242233120322.

It is a happy number.

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., 222773616121 + 247716121 = 471989^2 + 15739^2 .

It is not an unprimeable number, because it can be changed into a prime (223021332241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55755333059 + ... + 55755333062.

Almost surely, 2^223021332242 is an apocalyptic number.

223021332242 is a deficient number, since it is larger than the sum of its proper divisors (111510666124).

223021332242 is a wasteful number, since it uses less digits than its factorization.

223021332242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111510666123.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 223021332242 its reverse (242233120322), we get a palindrome (465254452564).

The spelling of 223021332242 in words is "two hundred twenty-three billion, twenty-one million, three hundred thirty-two thousand, two hundred forty-two".