Search a number
-
+
222788475 = 3552713231
BaseRepresentation
bin11010100011101…
…11101101111011
3120112012211100000
431101313231323
5424013212400
634035044043
75343446040
oct1521675573
9515184300
10222788475
11104838308
1262740623
1337205a00
14218351c7
151485b600
hexd477b7b

222788475 has 216 divisors, whose sum is σ = 528632832. Its totient is φ = 90979200.

The previous prime is 222788473. The next prime is 222788491. The reversal of 222788475 is 574887222.

It is not a de Polignac number, because 222788475 - 21 = 222788473 is a prime.

It is a super-3 number, since 3×2227884753 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 222788475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222788473) 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 215 ways as a sum of consecutive naturals, for example, 7186710 + ... + 7186740.

Almost surely, 2222788475 is an apocalyptic number.

222788475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222788475 is an abundant number, since it is smaller than the sum of its proper divisors (305844357).

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

222788475 is a wasteful number, since it uses less digits than its factorization.

222788475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 222788475 is about 14926.1004619425. The cubic root of 222788475 is about 606.2209027024.

The spelling of 222788475 in words is "two hundred twenty-two million, seven hundred eighty-eight thousand, four hundred seventy-five".