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23001033222 = 2321861686639
BaseRepresentation
bin10101011010111101…
…111110101000000110
32012100222111112220100
4111122331332220012
5334101231030342
614322211544530
71442662361616
oct253275765006
965328445810
1023001033222
119833535772
12455abbb146
13222736153b
141182abaa46
158e9465e4c
hex55af7ea06

23001033222 has 24 divisors (see below), whose sum is σ = 49862423520. Its totient is φ = 7662880080.

The previous prime is 23001033221. The next prime is 23001033311. The reversal of 23001033222 is 22233010032.

It is a happy number.

23001033222 is a `hidden beast` number, since 2 + 300 + 10 + 332 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23001033195 and 23001033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001033221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309822 + ... + 376817.

It is an arithmetic number, because the mean of its divisors is an integer number (2077600980).

Almost surely, 223001033222 is an apocalyptic number.

23001033222 is an abundant number, since it is smaller than the sum of its proper divisors (26861390298).

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

23001033222 is a wasteful number, since it uses less digits than its factorization.

23001033222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688508 (or 688505 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23001033222 its reverse (22233010032), we get a palindrome (45234043254).

The spelling of 23001033222 in words is "twenty-three billion, one million, thirty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 1861 3722 5583 11166 16749 33498 686639 1373278 2059917 4119834 6179751 12359502 1277835179 2555670358 3833505537 7667011074 11500516611 23001033222