423040122222 has 16 divisors (see below), whose sum is σ = 849091209552. Its totient is φ = 140511546560.

The previous prime is 423040122221. The next prime is 423040122277. The reversal of 423040122222 is 222221040324.

It is a junction number, because it is equal to n+sod(n) for n = 423040122192 and 423040122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040122221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125455053 + ... + 125458424.

It is an arithmetic number, because the mean of its divisors is an integer number (53068200597).

Almost surely, 2^423040122222 is an apocalyptic number.

423040122222 is an abundant number, since it is smaller than the sum of its proper divisors (426051087330).

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

423040122222 is a wasteful number, since it uses less digits than its factorization.

423040122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250913763.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 423040122222 its reverse (222221040324), we get a palindrome (645261162546).

The spelling of 423040122222 in words is "four hundred twenty-three billion, forty million, one hundred twenty-two thousand, two hundred twenty-two".