42227320 has 32 divisors (see below), whose sum is σ = 100602000. Its totient is φ = 15897088.

The previous prime is 42227299. The next prime is 42227327. The reversal of 42227320 is 2372224.

It is a junction number, because it is equal to n+sod(n) for n = 42227291 and 42227300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42227327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30370 + ... + 31729.

Almost surely, 2^42227320 is an apocalyptic number.

42227320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42227320 is an abundant number, since it is smaller than the sum of its proper divisors (58374680).

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

42227320 is a wasteful number, since it uses less digits than its factorization.

42227320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62127 (or 62123 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42227320 is about 6498.2551504231. The cubic root of 42227320 is about 348.2286558222.

Adding to 42227320 its reverse (2372224), we get a palindrome (44599544).

The spelling of 42227320 in words is "forty-two million, two hundred twenty-seven thousand, three hundred twenty".