312223432110022 has 32 divisors (see below), whose sum is σ = 497370363193440. Its totient is φ = 146489010071040.

The previous prime is 312223432110011. The next prime is 312223432110047. The reversal of 312223432110022 is 220011234322213.

It is a happy number.

It is a super-2 number, since 2×312223432110022² (a number of 30 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 15 ways as a sum of consecutive naturals, for example, 4877272 + ... + 25460452.

It is an arithmetic number, because the mean of its divisors is an integer number (15542823849795).

Almost surely, 2^{312223432110022} is an apocalyptic number.

312223432110022 is a deficient number, since it is larger than the sum of its proper divisors (185146931083418).

312223432110022 is a wasteful number, since it uses less digits than its factorization.

312223432110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20584536.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312223432110022 its reverse (220011234322213), we get a palindrome (532234666432235).

The spelling of 312223432110022 in words is "three hundred twelve trillion, two hundred twenty-three billion, four hundred thirty-two million, one hundred ten thousand, twenty-two".