42022224 has 60 divisors (see below), whose sum is σ = 123801600. Its totient is φ = 13269312.

The previous prime is 42022207. The next prime is 42022241. The reversal of 42022224 is 42222024.

42022224 is a `hidden beast` number, since 420 + 22 + 224 = 666.

It is an interprime number because it is at equal distance from previous prime (42022207) and next prime (42022241).

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 = 42022197 and 42022206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4944 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (2063360).

Almost surely, 2^42022224 is an apocalyptic number.

It is an amenable number.

42022224 is an abundant number, since it is smaller than the sum of its proper divisors (81779376).

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

42022224 is a wasteful number, since it uses less digits than its factorization.

42022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392 (or 15383 counting only the distinct ones).

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

The square root of 42022224 is about 6482.4550904731. The cubic root of 42022224 is about 347.6639641668.

Adding to 42022224 its reverse (42222024), we get a palindrome (84244248).

The spelling of 42022224 in words is "forty-two million, twenty-two thousand, two hundred twenty-four".