422441320 has 32 divisors (see below), whose sum is σ = 1086278400. Its totient is φ = 144836928.

The previous prime is 422441303. The next prime is 422441329. The reversal of 422441320 is 23144224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422441291 and 422441300.

It is not an unprimeable number, because it can be changed into a prime (422441329) 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, 754080 + ... + 754639.

It is an arithmetic number, because the mean of its divisors is an integer number (33946200).

Almost surely, 2^422441320 is an apocalyptic number.

422441320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422441320 is an abundant number, since it is smaller than the sum of its proper divisors (663837080).

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

422441320 is a wasteful number, since it uses less digits than its factorization.

422441320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508737 (or 1508733 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 422441320 is about 20553.3773380435. The cubic root of 422441320 is about 750.3354469818.

Adding to 422441320 its reverse (23144224), we get a palindrome (445585544).

It can be divided in two parts, 42244 and 1320, that multiplied together give a triangular number (55762080 = T₁₀₅₆₀).

The spelling of 422441320 in words is "four hundred twenty-two million, four hundred forty-one thousand, three hundred twenty".