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22922943072 = 25317196112119
BaseRepresentation
bin10101010110010100…
…000101101001100000
32012011112120011100120
4111112110011221200
5333421233134242
614310342120240
71441023541551
oct252624055140
965145504316
1022922943072
1197a3449457
124538a20080
13221411c553
141176590328
158e268d1ec
hex556505a60

22922943072 has 192 divisors, whose sum is σ = 68170636800. Its totient is φ = 6700769280.

The previous prime is 22922943059. The next prime is 22922943073. The reversal of 22922943072 is 27034922922.

It is a super-2 number, since 2×229229430722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22922943073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1885429 + ... + 1897547.

It is an arithmetic number, because the mean of its divisors is an integer number (355055400).

Almost surely, 222922943072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22922943072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34085318400).

22922943072 is an abundant number, since it is smaller than the sum of its proper divisors (45247693728).

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

22922943072 is a wasteful number, since it uses less digits than its factorization.

22922943072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229 (or 12221 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 22922943072 in words is "twenty-two billion, nine hundred twenty-two million, nine hundred forty-three thousand, seventy-two".