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22133223001 = 45691484411
BaseRepresentation
bin10100100111001111…
…100010111001011001
32010010111120020002001
4110213033202321121
5330312101114001
614100131441001
71412324201641
oct244717427131
963114506061
1022133223001
11942869a03a
124358456161
132119628776
1410dd73d521
15898197001
hex5273e2e59

22133223001 has 4 divisors (see below), whose sum is σ = 22133753104. Its totient is φ = 22132692900.

The previous prime is 22133222999. The next prime is 22133223017. The reversal of 22133223001 is 10032233122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10032233122 = 25016116561.

It is a cyclic number.

It is not a de Polignac number, because 22133223001 - 21 = 22133222999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22133223001.

It is not an unprimeable number, because it can be changed into a prime (22133223061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196515 + ... + 287896.

It is an arithmetic number, because the mean of its divisors is an integer number (5533438276).

Almost surely, 222133223001 is an apocalyptic number.

It is an amenable number.

22133223001 is a deficient number, since it is larger than the sum of its proper divisors (530103).

22133223001 is an equidigital number, since it uses as much as digits as its factorization.

22133223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530102.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22133223001 its reverse (10032233122), we get a palindrome (32165456123).

The spelling of 22133223001 in words is "twenty-two billion, one hundred thirty-three million, two hundred twenty-three thousand, one".

Divisors: 1 45691 484411 22133223001