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22423314432 = 213317191281
BaseRepresentation
bin10100111000100010…
…001010000000000000
32010212201102101201010
4110320202022000000
5331410332030212
614145013240520
71422446012361
oct247042120000
963781371633
1022423314432
119567416022
124419633140
1321647674bc
14112a093b68
158b389a03c
hex53888a000

22423314432 has 224 divisors, whose sum is σ = 63866962944. Its totient is φ = 6973030400.

The previous prime is 22423314401. The next prime is 22423314439. The reversal of 22423314432 is 23441332422.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22423314432.

It is not an unprimeable number, because it can be changed into a prime (22423314439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79798132 + ... + 79798412.

Almost surely, 222423314432 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 22423314432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31933481472).

22423314432 is an abundant number, since it is smaller than the sum of its proper divisors (41443648512).

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

22423314432 is a wasteful number, since it uses less digits than its factorization.

22423314432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 494 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 22423314432 its reverse (23441332422), we get a palindrome (45864646854).

The spelling of 22423314432 in words is "twenty-two billion, four hundred twenty-three million, three hundred fourteen thousand, four hundred thirty-two".