31422222016 has 14 divisors (see below), whose sum is σ = 62353471940. Its totient is φ = 15711110976.

The previous prime is 31422222011. The next prime is 31422222023. The reversal of 31422222016 is 61022222413.

It is not an unprimeable number, because it can be changed into a prime (31422222011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245486046 + ... + 245486173.

Almost surely, 2^31422222016 is an apocalyptic number.

It is an amenable number.

31422222016 is a deficient number, since it is larger than the sum of its proper divisors (30931249924).

31422222016 is an equidigital number, since it uses as much as digits as its factorization.

31422222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490972231 (or 490972221 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31422222016 its reverse (61022222413), we get a palindrome (92444444429).

The spelling of 31422222016 in words is "thirty-one billion, four hundred twenty-two million, two hundred twenty-two thousand, sixteen".