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22231909080 = 2333571383757
BaseRepresentation
bin10100101101001000…
…000000001011011000
32010101101020222221000
4110231020000023120
5331012332042310
614114014545000
71414633052313
oct245510001330
963341228830
1022231909080
119479373387
124385508160
132133bcc1b4
14110c8ab97a
158a1b8c4c0
hex52d2002d8

22231909080 has 256 divisors, whose sum is σ = 75445862400. Its totient is φ = 5822046720.

The previous prime is 22231909079. The next prime is 22231909111. The reversal of 22231909080 is 8090913222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29368062 + ... + 29368818.

It is an arithmetic number, because the mean of its divisors is an integer number (294710400).

Almost surely, 222231909080 is an apocalyptic number.

22231909080 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 22231909080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37722931200).

22231909080 is an abundant number, since it is smaller than the sum of its proper divisors (53213953320).

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

22231909080 is a wasteful number, since it uses less digits than its factorization.

22231909080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 22231909080 in words is "twenty-two billion, two hundred thirty-one million, nine hundred nine thousand, eighty".