Search a number
-
+
22102001222 = 271578714373
BaseRepresentation
bin10100100101011000…
…011100011001000110
32010001022210222211212
4110211120130121012
5330231103014342
614053054331422
71411464624230
oct244530343106
963038728755
1022102001222
119412004714
124349ab9b72
132113016642
1410d9533250
1589557b182
hex52561c646

22102001222 has 8 divisors (see below), whose sum is σ = 37889144976. Its totient is φ = 9472286232.

The previous prime is 22102001221. The next prime is 22102001249. The reversal of 22102001222 is 22210020122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1578714373 = 22102001222 / (2 + 2 + 1 + 0 + 2 + 0 + 0 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22102001197 and 22102001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102001221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789357173 + ... + 789357200.

It is an arithmetic number, because the mean of its divisors is an integer number (4736143122).

Almost surely, 222102001222 is an apocalyptic number.

22102001222 is a deficient number, since it is larger than the sum of its proper divisors (15787143754).

22102001222 is a wasteful number, since it uses less digits than its factorization.

22102001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578714382.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22102001222 its reverse (22210020122), we get a palindrome (44312021344).

The spelling of 22102001222 in words is "twenty-two billion, one hundred two million, one thousand, two hundred twenty-two".

Divisors: 1 2 7 14 1578714373 3157428746 11051000611 22102001222