422422424400 has 120 divisors (see below), whose sum is σ = 1369463286240. Its totient is φ = 111288773120.

The previous prime is 422422424353. The next prime is 422422424423. The reversal of 422422424400 is 4424224224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2020995 + ... + 2220194.

It is an arithmetic number, because the mean of its divisors is an integer number (11412194052).

Almost surely, 2^422422424400 is an apocalyptic number.

422422424400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422422424400 is an abundant number, since it is smaller than the sum of its proper divisors (947040861840).

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

422422424400 is a wasteful number, since it uses less digits than its factorization.

422422424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241293 (or 4241282 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 422422424400 its reverse (4424224224), we get a palindrome (426846648624).

It can be divided in two parts, 42242 and 2424400, that added together give a palindrome (2466642).

The spelling of 422422424400 in words is "four hundred twenty-two billion, four hundred twenty-two million, four hundred twenty-four thousand, four hundred".