422152220440 has 16 divisors (see below), whose sum is σ = 949842496080. Its totient is φ = 168860888160.

The previous prime is 422152220437. The next prime is 422152220491. The reversal of 422152220440 is 44022251224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422152220399 and 422152220408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5276902716 + ... + 5276902795.

It is an arithmetic number, because the mean of its divisors is an integer number (59365156005).

Almost surely, 2^422152220440 is an apocalyptic number.

422152220440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422152220440 is an abundant number, since it is smaller than the sum of its proper divisors (527690275640).

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

422152220440 is a wasteful number, since it uses less digits than its factorization.

422152220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553805522 (or 10553805518 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 422152220440 its reverse (44022251224), we get a palindrome (466174471664).

The spelling of 422152220440 in words is "four hundred twenty-two billion, one hundred fifty-two million, two hundred twenty thousand, four hundred forty".