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22201231030000 = 2454111188716979
BaseRepresentation
bin1010000110001001000000…
…11111010011011011110000
32220121102020221222211210221
411003010200133103123300
510402221110120430000
6115115034342302424
74450662126040501
oct503044037233360
986542227884727
1022201231030000
11708a54214a090
1225a68b7427a14
13c5074ac04499
1456a78c4b8ba8
1528778940261a
hex1431207d36f0

22201231030000 has 200 divisors, whose sum is σ = 58646278183680. Its totient is φ = 8072020320000.

The previous prime is 22201231029959. The next prime is 22201231030049. The reversal of 22201231030000 is 3013210222.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1307561511 + ... + 1307578489.

Almost surely, 222201231030000 is an apocalyptic number.

22201231030000 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 22201231030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29323139091840).

22201231030000 is an abundant number, since it is smaller than the sum of its proper divisors (36445047153680).

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

22201231030000 is a wasteful number, since it uses less digits than its factorization.

22201231030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28905 (or 28884 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22201231030000 its reverse (3013210222), we get a palindrome (22204244240222).

The spelling of 22201231030000 in words is "twenty-two trillion, two hundred one billion, two hundred thirty-one million, thirty thousand".