731420444222 has 32 divisors (see below), whose sum is σ = 1192134894048. Its totient is φ = 334548135936.

The previous prime is 731420444197. The next prime is 731420444243. The reversal of 731420444222 is 222444024137.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38663438 + ... + 38682350.

It is an arithmetic number, because the mean of its divisors is an integer number (37254215439).

Almost surely, 2^731420444222 is an apocalyptic number.

731420444222 is a deficient number, since it is larger than the sum of its proper divisors (460714449826).

731420444222 is a wasteful number, since it uses less digits than its factorization.

731420444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32204.

The product of its (nonzero) digits is 86016, while the sum is 35.

Adding to 731420444222 its reverse (222444024137), we get a palindrome (953864468359).

The spelling of 731420444222 in words is "seven hundred thirty-one billion, four hundred twenty million, four hundred forty-four thousand, two hundred twenty-two".