22222031424 has 28 divisors (see below), whose sum is σ = 58795791984. Its totient is φ = 7407343744.

The previous prime is 22222031407. The next prime is 22222031453. The reversal of 22222031424 is 42413022222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22222031394 and 22222031403.

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, 57869682 + ... + 57870065.

Almost surely, 2^22222031424 is an apocalyptic number.

22222031424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22222031424 is an abundant number, since it is smaller than the sum of its proper divisors (36573760560).

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

22222031424 is a wasteful number, since it uses less digits than its factorization.

22222031424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115739762 (or 115739752 counting only the distinct ones).

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

Adding to 22222031424 its reverse (42413022222), we get a palindrome (64635053646).

The spelling of 22222031424 in words is "twenty-two billion, two hundred twenty-two million, thirty-one thousand, four hundred twenty-four".