222046742 has 8 divisors (see below), whose sum is σ = 333207000. Its totient is φ = 110977744.

The previous prime is 222046739. The next prime is 222046751. The reversal of 222046742 is 247640222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16367 + ... + 26682.

It is an arithmetic number, because the mean of its divisors is an integer number (41650875).

Almost surely, 2^222046742 is an apocalyptic number.

222046742 is a deficient number, since it is larger than the sum of its proper divisors (111160258).

222046742 is a wasteful number, since it uses less digits than its factorization.

222046742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45630.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 222046742 is about 14901.2329020118. The cubic root of 222046742 is about 605.5473879299.

Adding to 222046742 its reverse (247640222), we get a palindrome (469686964).

The spelling of 222046742 in words is "two hundred twenty-two million, forty-six thousand, seven hundred forty-two".