42225560 has 32 divisors (see below), whose sum is σ = 102317040. Its totient is φ = 15590784.

The previous prime is 42225553. The next prime is 42225593. The reversal of 42225560 is 6552224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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, 40082 + ... + 41121.

Almost surely, 2^42225560 is an apocalyptic number.

42225560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42225560 is an abundant number, since it is smaller than the sum of its proper divisors (60091480).

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

42225560 is a wasteful number, since it uses less digits than its factorization.

42225560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81227 (or 81223 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42225560 is about 6498.1197280444. The cubic root of 42225560 is about 348.2238177936.

Adding to 42225560 its reverse (6552224), we get a palindrome (48777784).

The spelling of 42225560 in words is "forty-two million, two hundred twenty-five thousand, five hundred sixty".