404223342312220 has 12 divisors (see below), whose sum is σ = 848869018855704. Its totient is φ = 161689336924880.

The previous prime is 404223342312143. The next prime is 404223342312271. The reversal of 404223342312220 is 22213243322404.

It is a happy number.

It is a super-2 number, since 2×404223342312220² (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 3 ways as a sum of consecutive naturals, for example, 10105583557786 + ... + 10105583557825.

It is an arithmetic number, because the mean of its divisors is an integer number (70739084904642).

Almost surely, 2^{404223342312220} is an apocalyptic number.

It is an amenable number.

404223342312220 is an abundant number, since it is smaller than the sum of its proper divisors (444645676543484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404223342312220 is a wasteful number, since it uses less digits than its factorization.

404223342312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211167115620 (or 20211167115618 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 404223342312220 its reverse (22213243322404), we get a palindrome (426436585634624).

The spelling of 404223342312220 in words is "four hundred four trillion, two hundred twenty-three billion, three hundred forty-two million, three hundred twelve thousand, two hundred twenty".