42226224 has 20 divisors (see below), whose sum is σ = 109084536. Its totient is φ = 14075392.

The previous prime is 42226207. The next prime is 42226231. The reversal of 42226224 is 42262224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42226194 and 42226203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439809 + ... + 439904.

Almost surely, 2^42226224 is an apocalyptic number.

It is an amenable number.

42226224 is an abundant number, since it is smaller than the sum of its proper divisors (66858312).

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

42226224 is a wasteful number, since it uses less digits than its factorization.

42226224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879724 (or 879718 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 42226224 is about 6498.1708195461. The cubic root of 42226224 is about 348.2256430657.

Adding to 42226224 its reverse (42262224), we get a palindrome (84488448).

The spelling of 42226224 in words is "forty-two million, two hundred twenty-six thousand, two hundred twenty-four".