22255054203320 has 128 divisors (see below), whose sum is σ = 54363801369600. Its totient is φ = 8172333504000.

The previous prime is 22255054203299. The next prime is 22255054203341. The reversal of 22255054203320 is 2330245055222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22255054203299) and next prime (22255054203341).

It is a super-2 number, since 2×22255054203320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523355 + ... + 6692085.

It is an arithmetic number, because the mean of its divisors is an integer number (424717198200).

Almost surely, 2^{22255054203320} is an apocalyptic number.

22255054203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22255054203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27181900684800).

22255054203320 is an abundant number, since it is smaller than the sum of its proper divisors (32108747166280).

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

22255054203320 is a wasteful number, since it uses less digits than its factorization.

22255054203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168909 (or 6168905 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 22255054203320 its reverse (2330245055222), we get a palindrome (24585299258542).

The spelling of 22255054203320 in words is "twenty-two trillion, two hundred fifty-five billion, fifty-four million, two hundred three thousand, three hundred twenty".