22203231322420 has 48 divisors (see below), whose sum is σ = 46714023982080. Its totient is φ = 8864691261696.

The previous prime is 22203231322411. The next prime is 22203231322453. The reversal of 22203231322420 is 2422313230222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22435984 + ... + 23404696.

It is an arithmetic number, because the mean of its divisors is an integer number (973208832960).

Almost surely, 2^{22203231322420} is an apocalyptic number.

22203231322420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22203231322420 is an abundant number, since it is smaller than the sum of its proper divisors (24510792659660).

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

22203231322420 is a wasteful number, since it uses less digits than its factorization.

22203231322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970864 (or 970862 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22203231322420 its reverse (2422313230222), we get a palindrome (24625544552642).

The spelling of 22203231322420 in words is "twenty-two trillion, two hundred three billion, two hundred thirty-one million, three hundred twenty-two thousand, four hundred twenty".