22355230620 has 24 divisors (see below), whose sum is σ = 62594645904. Its totient is φ = 5961394816.

The previous prime is 22355230589. The next prime is 22355230657. The reversal of 22355230620 is 2603255322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186293529 + ... + 186293648.

It is an arithmetic number, because the mean of its divisors is an integer number (2608110246).

Almost surely, 2^22355230620 is an apocalyptic number.

22355230620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22355230620 is an abundant number, since it is smaller than the sum of its proper divisors (40239415284).

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

22355230620 is a wasteful number, since it uses less digits than its factorization.

22355230620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372587189 (or 372587187 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22355230620 its reverse (2603255322), we get a palindrome (24958485942).

The spelling of 22355230620 in words is "twenty-two billion, three hundred fifty-five million, two hundred thirty thousand, six hundred twenty".