22102234420 has 48 divisors (see below), whose sum is σ = 53236955520. Its totient is φ = 7550538624.

The previous prime is 22102234417. The next prime is 22102234421. The reversal of 22102234420 is 2443220122.

It is a junction number, because it is equal to n+sod(n) for n = 22102234391 and 22102234400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102234421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246190 + ... + 323749.

It is an arithmetic number, because the mean of its divisors is an integer number (1109103240).

Almost surely, 2^22102234420 is an apocalyptic number.

22102234420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102234420 is an abundant number, since it is smaller than the sum of its proper divisors (31134721100).

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

22102234420 is a wasteful number, since it uses less digits than its factorization.

22102234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570232 (or 570230 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22102234420 its reverse (2443220122), we get a palindrome (24545454542).

The spelling of 22102234420 in words is "twenty-two billion, one hundred two million, two hundred thirty-four thousand, four hundred twenty".