42271224 has 16 divisors (see below), whose sum is σ = 105678120. Its totient is φ = 14090400.

The previous prime is 42271223. The next prime is 42271237. The reversal of 42271224 is 42217224.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1761301 = 42271224 / (4 + 2 + 2 + 7 + 1 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 42271194 and 42271203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42271223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880627 + ... + 880674.

Almost surely, 2^42271224 is an apocalyptic number.

It is an amenable number.

42271224 is an abundant number, since it is smaller than the sum of its proper divisors (63406896).

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

42271224 is a wasteful number, since it uses less digits than its factorization.

42271224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761310 (or 1761306 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 42271224 is about 6501.6324104028. The cubic root of 42271224 is about 348.3492991672.

Adding to 42271224 its reverse (42217224), we get a palindrome (84488448).

The spelling of 42271224 in words is "forty-two million, two hundred seventy-one thousand, two hundred twenty-four".