[go: up one dir, main page]

Search a number
-
+
222372943 = 1317105611
BaseRepresentation
bin11010100000100…
…10010001001111
3120111102201022221
431100102101033
5423411413233
634022120211
75340065422
oct1520222117
9514381287
10222372943
111045840a1
1262580067
13370bb830
14217679b9
15147c842d
hexd41244f

222372943 has 4 divisors (see below), whose sum is σ = 239478568. Its totient is φ = 205267320.

The previous prime is 222372929. The next prime is 222372973. The reversal of 222372943 is 349273222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222372943 - 29 = 222372431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222372899 and 222372908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222372973) 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, 8552793 + ... + 8552818.

It is an arithmetic number, because the mean of its divisors is an integer number (59869642).

Almost surely, 2222372943 is an apocalyptic number.

222372943 is a deficient number, since it is larger than the sum of its proper divisors (17105625).

222372943 is a wasteful number, since it uses less digits than its factorization.

222372943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105624.

The product of its digits is 36288, while the sum is 34.

The square root of 222372943 is about 14912.1743216742. The cubic root of 222372943 is about 605.8437722443.

The spelling of 222372943 in words is "two hundred twenty-two million, three hundred seventy-two thousand, nine hundred forty-three".

Divisors: 1 13 17105611 222372943