31404022222 has 8 divisors (see below), whose sum is σ = 48730379400. Its totient is φ = 15160562424.

The previous prime is 31404022211. The next prime is 31404022229. The reversal of 31404022222 is 22222040413.

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

It is a super-2 number, since 2×31404022222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31404022193 and 31404022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404022229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270724272 + ... + 270724387.

It is an arithmetic number, because the mean of its divisors is an integer number (6091297425).

Almost surely, 2^31404022222 is an apocalyptic number.

31404022222 is a deficient number, since it is larger than the sum of its proper divisors (17326357178).

31404022222 is a wasteful number, since it uses less digits than its factorization.

31404022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541448690.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 31404022222 its reverse (22222040413), we get a palindrome (53626062635).

The spelling of 31404022222 in words is "thirty-one billion, four hundred four million, twenty-two thousand, two hundred twenty-two".