22222240224 has 24 divisors (see below), whose sum is σ = 58333380840. Its totient is φ = 7407413376.

The previous prime is 22222240207. The next prime is 22222240241. The reversal of 22222240224 is 42204222222.

It is an interprime number because it is at equal distance from previous prime (22222240207) and next prime (22222240241).

It is a tau number, because it is divible by the number of its divisors (24).

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 = 22222240194 and 22222240203.

It is a congruent number.

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, 115740739 + ... + 115740930.

It is an arithmetic number, because the mean of its divisors is an integer number (2430557535).

Almost surely, 2^22222240224 is an apocalyptic number.

22222240224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22222240224 is an abundant number, since it is smaller than the sum of its proper divisors (36111140616).

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

22222240224 is a wasteful number, since it uses less digits than its factorization.

22222240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231481682 (or 231481674 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22222240224 its reverse (42204222222), we get a palindrome (64426462446).

The spelling of 22222240224 in words is "twenty-two billion, two hundred twenty-two million, two hundred forty thousand, two hundred twenty-four".