Search a number
-
+
920422223 = 7218784127
BaseRepresentation
bin110110110111001…
…000011101001111
32101010221021220222
4312313020131033
53341112002343
6231155501555
731544313500
oct6667103517
92333837828
10920422223
11432610926
122182b78bb
131188c7046
148a354ba7
1555c12a68
hex36dc874f

920422223 has 6 divisors (see below), whose sum is σ = 1070695296. Its totient is φ = 788933292.

The previous prime is 920422207. The next prime is 920422231. The reversal of 920422223 is 322224029.

It is not a de Polignac number, because 920422223 - 24 = 920422207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920422192 and 920422201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920422253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9392015 + ... + 9392112.

It is an arithmetic number, because the mean of its divisors is an integer number (178449216).

Almost surely, 2920422223 is an apocalyptic number.

920422223 is a deficient number, since it is larger than the sum of its proper divisors (150273073).

920422223 is a wasteful number, since it uses less digits than its factorization.

920422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18784141 (or 18784134 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 920422223 is about 30338.4611178616. The cubic root of 920422223 is about 972.7375894678.

The spelling of 920422223 in words is "nine hundred twenty million, four hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 7 49 18784127 131488889 920422223