31422402401222 has 16 divisors (see below), whose sum is σ = 53867134685472. Its totient is φ = 13466704101120.

The previous prime is 31422402401213. The next prime is 31422402401287. The reversal of 31422402401222 is 22210420422413.

It is a super-2 number, since 2×31422402401222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872572 + ... + 8145632.

It is an arithmetic number, because the mean of its divisors is an integer number (3366695917842).

Almost surely, 2^{31422402401222} is an apocalyptic number.

31422402401222 is a deficient number, since it is larger than the sum of its proper divisors (22444732284250).

31422402401222 is a wasteful number, since it uses less digits than its factorization.

31422402401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630863.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 31422402401222 its reverse (22210420422413), we get a palindrome (53632822823635).

The spelling of 31422402401222 in words is "thirty-one trillion, four hundred twenty-two billion, four hundred two million, four hundred one thousand, two hundred twenty-two".