22462224 has 20 divisors (see below), whose sum is σ = 58027536. Its totient is φ = 7487392.

The previous prime is 22462217. The next prime is 22462229. The reversal of 22462224 is 42226422.

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 = 22462194 and 22462203.

It is not an unprimeable number, because it can be changed into a prime (22462229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233934 + ... + 234029.

Almost surely, 2^22462224 is an apocalyptic number.

22462224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22462224 is an abundant number, since it is smaller than the sum of its proper divisors (35565312).

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

22462224 is a wasteful number, since it uses less digits than its factorization.

22462224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467974 (or 467968 counting only the distinct ones).

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

The square root of 22462224 is about 4739.4328774654. The cubic root of 22462224 is about 282.1527264858.

Adding to 22462224 its reverse (42226422), we get a palindrome (64688646).

The spelling of 22462224 in words is "twenty-two million, four hundred sixty-two thousand, two hundred twenty-four".