42202224 has 30 divisors (see below), whose sum is σ = 118108016. Its totient is φ = 14067360.

The previous prime is 42202213. The next prime is 42202229. The reversal of 42202224 is 42220224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42202197 and 42202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146392 + ... + 146679.

Almost surely, 2^42202224 is an apocalyptic number.

It is an amenable number.

42202224 is an abundant number, since it is smaller than the sum of its proper divisors (75905792).

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

42202224 is a wasteful number, since it uses less digits than its factorization.

42202224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293085 (or 293076 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 42202224 is about 6496.3238835514. The cubic root of 42202224 is about 348.1596572200.

Adding to 42202224 its reverse (42220224), we get a palindrome (84422448).

The spelling of 42202224 in words is "forty-two million, two hundred two thousand, two hundred twenty-four".